{"id":22160,"date":"2023-08-01T15:19:28","date_gmt":"2023-08-01T09:49:28","guid":{"rendered":"https:\/\/www.interviewbit.com\/blog\/?post_type=web-story&#038;p=22160"},"modified":"2023-08-01T15:19:30","modified_gmt":"2023-08-01T09:49:30","slug":"10-essential-tree-data-structure-concepts-every-developer-should-know","status":"publish","type":"web-story","link":"https:\/\/www.interviewbit.com\/blog\/web-stories\/10-essential-tree-data-structure-concepts-every-developer-should-know\/","title":{"rendered":"10 Essential Tree Data Structure Concepts"},"content":{"rendered":"<p><html amp=\"\" lang=\"en\"><head><meta charSet=\"utf-8\"\/><meta name=\"viewport\" content=\"width=device-width,minimum-scale=1,initial-scale=1\"\/><script async=\"\" src=\"https:\/\/cdn.ampproject.org\/v0.js\"><\/script><script async=\"\" src=\"https:\/\/cdn.ampproject.org\/v0\/amp-story-1.0.js\" custom-element=\"amp-story\"><\/script><link 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1060w,https:\/\/images.unsplash.com\/photo-1521737711867-e3b97375f902?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxNHx8c29mdHdhcmUlMjBkZXZlbG9wZXJzfGVufDB8fHx8MTY2NjYyMzI3MA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=510&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 53vh, 119vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<div class=\"element-overlay-area\" style=\"background-image:radial-gradient(ellipse 67% 67%, rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 100%)\"><\/div>\n<\/div>\n<\/div>\n<div class=\"page-background-overlay-area\" style=\"background-image:radial-gradient(ellipse 67% 67%, rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 100%)\"><\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:83.00971%;width:100%;height:18.12298%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 1.7857142857142856% 1.7857142857142856% 1.7857142857142856% 1.7857142857142856%;background-clip:content-box;background-color:#000\" id=\"el-03fbe691-5f4e-45f9-b7a6-caed053aec19\">\n<h2 id=\"essential-tree-data-structure-concepts-every-developer-should-know\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:0.5716019417475721% 0;font-family:&quot;Merriweather&quot;,serif;font-size:0.485437em;line-height:1.1;text-align:left;padding:0.9708737864077669% 1.9417475728155338%;color:#000000\"><span><span style=\"color: #fff\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Essential Tree Data Structure Concepts Every Developer Should Know<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<div 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0.5730659025787965% \/ 1.4705882352941175% 1.4705882352941175% 1.4705882352941175% 1.4705882352941175%;background-clip:content-box;background-color:rgba(69,69,69,0.5)\" id=\"el-b81fd0cc-b97e-4859-9189-3b76a18de7ca\">\n<h3 id=\"trees-are-hierarchical-data-structures-that-consist-of-nodes-connected-by-edges-they-are-widely-used-for-organizing-and-managing-data-efficiently\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.6985673352435529% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.420712em;line-height:0.9;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #fff\">Trees are hierarchical data structures that consist of nodes connected by edges. They are widely used for organizing and managing data efficiently.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:53.72168%;width:84.70874%;height:7.44337%;opacity:1\">\n<div id=\"anim-b624bd8e-4aed-471b-9af5-5c2f4be82bba\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-0a8235f4-7b41-45ee-90ee-64a450ff1b08\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%;background-clip:content-box;background-color:rgba(0,0,0,0.5)\" id=\"el-68dc9316-fc22-45da-850d-8fb3f666b9a6\">\n<h2 id=\"introduction-to-trees\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4280802292263615% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.453074em;line-height:1;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #c77dff\">Introduction to Trees<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:89.96764%;width:100%;height:7.44337%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%\" id=\"el-bcdc209c-8bf7-4bce-882c-c9ec96be2f52\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.1067961165048545% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.323625em;line-height:0.9;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Practice tree data structure problems&nbsp;<\/span><br \/>\n<span style=\"font-weight: 700; color: #fff\">to improve your skills!<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/assets.interviewbit.com\/assets\/ib-logo-904db47f8d2208f21a168bfe4851e0fdcc041f2487b6a8ec0b181d3724dbd012.png.gz\"><a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/tree-data-structure\/?utm_source=ib&amp;utm_medium=webstories&amp;utm_campaign=10-essential-tree-data-structure-concepts-every-developer-should-know\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"0edabcaa-afc4-4583-b24e-108a43910587\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-692bc44c-0b6a-4528-9a7a-3090f857adef\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-bf60c04a-41e8-4872-b520-412e0b0f4a68\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-25be3353-37c5-40cd-9768-d0a9d0d2d876 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and black striped sweater using MacBook\" srcSet=\"https:\/\/images.unsplash.com\/photo-1573166364489-49b728b7817b?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1M3x8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY4OXww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=4016&amp;h=6016&amp;fit=max 4016w,https:\/\/images.unsplash.com\/photo-1573166364489-49b728b7817b?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1M3x8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY4OXww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3212&amp;h=4812&amp;fit=max 3212w,https:\/\/images.unsplash.com\/photo-1573166364489-49b728b7817b?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1M3x8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY4OXww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2409&amp;h=3609&amp;fit=max 2409w,https:\/\/images.unsplash.com\/photo-1573166364489-49b728b7817b?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1M3x8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY4OXww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1606&amp;h=2406&amp;fit=max 1606w,https:\/\/images.unsplash.com\/photo-1573166364489-49b728b7817b?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1M3x8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY4OXww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=803&amp;h=1203&amp;fit=max 803w,https:\/\/images.unsplash.com\/photo-1573166364489-49b728b7817b?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1M3x8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY4OXww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=509&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 53vh, 119vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<div class=\"element-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"page-background-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-6.31068%;width:43.68932%;height:9.70874%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-f4e78a89-f38f-4e99-aa80-fa776382a958\">\n<div style=\"position:absolute;width:100.28251%;height:100%;left:-0.14125%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png\" alt=\"InterviewBit-White-2\" srcSet=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png 2130w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-2048x681.png 2048w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1536x511.png 1536w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1024x340.png 1024w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-768x255.png 768w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-300x100.png 300w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-150x50.png 150w\" sizes=\"(min-width: 1024px) 20vh, 44vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:61.16505%;width:84.70874%;height:18.4466%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-692bc44c-0b6a-4528-9a7a-3090f857adef\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-bf60c04a-41e8-4872-b520-412e0b0f4a68\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 1.7543859649122806% 1.7543859649122806% 1.7543859649122806% 1.7543859649122806%;background-clip:content-box;background-color:rgba(69,69,69,0.5)\" id=\"el-dc664c2e-3244-4752-a540-de509f9db93b\">\n<h3 id=\"the-topmost-node-in-a-tree-is-called-the-root-node-it-serves-as-the-starting-point-for-traversing-the-entire-tree\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.6985673352435529% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.420712em;line-height:0.9;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #fff\">The topmost node in a tree is called the root node. It serves as the starting point for traversing the entire tree.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:53.72168%;width:84.70874%;height:7.44337%;opacity:1\">\n<div id=\"anim-d3717f23-28ee-4726-850b-561648f0f8c9\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-3c336c75-c575-4e6f-984a-c429dbf978b9\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%;background-clip:content-box;background-color:rgba(0,0,0,0.5)\" id=\"el-b9bd8545-bf72-46a3-a157-851385baae48\">\n<h2 id=\"1-root-node\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4280802292263615% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.453074em;line-height:1;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #c77dff\">1. Root Node<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:89.96764%;width:100%;height:7.44337%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%\" id=\"el-a0eb1fe2-b968-43e7-94bd-cdd967492194\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.1067961165048545% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.323625em;line-height:0.9;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Practice tree data structure problems&nbsp;<\/span><br \/>\n<span style=\"font-weight: 700; color: #fff\">to improve your skills!<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/d3n0h9tb65y8q.cloudfront.net\/public_assets\/assets\/000\/003\/577\/original\/MYSQL_Cheat_Sheet.png?1656648661\"><a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/tree-data-structure\/?utm_source=ib&amp;utm_medium=webstories&amp;utm_campaign=10-essential-tree-data-structure-concepts-every-developer-should-know\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"9d143c23-6124-4be9-88e4-da4315e5d825\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-56b48800-54e9-4386-9426-d5e1e24156c8 [data-leaf-element=\\\"true\\\"]\",\"keyframes\":{\"transform\":[\"translate(0%, 0%) scale(1.5)\",\"translate(0%, 0%) 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4016w,https:\/\/images.unsplash.com\/photo-1573496129661-bd7fcc7e532b?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4MTEzMzAyMg&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3212&amp;h=4812&amp;fit=max 3212w,https:\/\/images.unsplash.com\/photo-1573496129661-bd7fcc7e532b?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4MTEzMzAyMg&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2409&amp;h=3609&amp;fit=max 2409w,https:\/\/images.unsplash.com\/photo-1573496129661-bd7fcc7e532b?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4MTEzMzAyMg&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1606&amp;h=2406&amp;fit=max 1606w,https:\/\/images.unsplash.com\/photo-1573496129661-bd7fcc7e532b?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4MTEzMzAyMg&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=803&amp;h=1203&amp;fit=max 803w,https:\/\/images.unsplash.com\/photo-1573496129661-bd7fcc7e532b?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4MTEzMzAyMg&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=509&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 53vh, 119vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<div class=\"element-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"page-background-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-6.31068%;width:43.68932%;height:9.70874%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-b265d57c-d800-4027-8b2b-9d3ab5fcaad8\">\n<div style=\"position:absolute;width:100.28251%;height:100%;left:-0.14125%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png\" alt=\"InterviewBit-White-2\" srcSet=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png 2130w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-2048x681.png 2048w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1536x511.png 1536w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1024x340.png 1024w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-768x255.png 768w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-300x100.png 300w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-150x50.png 150w\" sizes=\"(min-width: 1024px) 20vh, 44vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:61.16505%;width:84.70874%;height:18.4466%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-c1b46690-f96a-4b1c-a4ae-daf6ee191dd8\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-39be4f8d-9429-429a-98d1-b5c8db222ea2\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 1.7543859649122806% 1.7543859649122806% 1.7543859649122806% 1.7543859649122806%;background-clip:content-box;background-color:rgba(69,69,69,0.5)\" id=\"el-79abc460-95cc-4de3-a4fa-05dd411333ed\">\n<h3 id=\"each-node-except-the-root-has-a-parent-node-it-is-the-node-from-which-a-given-node-is-directly-connected\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.6985673352435529% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.420712em;line-height:0.9;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #fff\">Each node, except the root, has a parent node. It is the node from which a given node is directly connected.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:53.72168%;width:84.70874%;height:7.44337%;opacity:1\">\n<div id=\"anim-8c79354c-5ca4-4df9-96de-c0570314fb41\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-71512d57-9dde-4f53-b8c4-4710fc813d8d\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%;background-clip:content-box;background-color:rgba(0,0,0,0.5)\" id=\"el-f18ea58e-2ea1-4ee4-a3b3-bd440feb7c90\">\n<h2 id=\"2-parent-node\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4280802292263615% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.453074em;line-height:1;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #c77dff\">2. Parent Node<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:89.96764%;width:100%;height:7.44337%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%\" id=\"el-cce581c5-175a-45c1-b3ec-ee13bfeddd73\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.1067961165048545% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.323625em;line-height:0.9;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Practice tree data structure problems&nbsp;<\/span><br \/>\n<span style=\"font-weight: 700; color: #fff\">to improve your skills!<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/assets.interviewbit.com\/assets\/ib-logo-904db47f8d2208f21a168bfe4851e0fdcc041f2487b6a8ec0b181d3724dbd012.png.gz\"><a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/tree-data-structure\/?utm_source=ib&amp;utm_medium=webstories&amp;utm_campaign=10-essential-tree-data-structure-concepts-every-developer-should-know\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"34a1afbf-1183-41b1-8d59-f89699f8e917\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-8b558324-3485-4e76-b118-584debaf488b\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation 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class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-97a3eb3a-aa4d-41ad-a75a-93838ee4d941\">\n<div style=\"position:absolute;width:118.51852%;height:100%;left:-9.25926%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/images.unsplash.com\/photo-1573497620494-a2f1330f0cbb?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw0MHx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY0MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3840&amp;h=5760&amp;fit=max\" alt=\"smirking woman wearing red top using laptop computer\" srcSet=\"https:\/\/images.unsplash.com\/photo-1573497620494-a2f1330f0cbb?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw0MHx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY0MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3840&amp;h=5760&amp;fit=max 3840w,https:\/\/images.unsplash.com\/photo-1573497620494-a2f1330f0cbb?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw0MHx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY0MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3072&amp;h=4608&amp;fit=max 3072w,https:\/\/images.unsplash.com\/photo-1573497620494-a2f1330f0cbb?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw0MHx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY0MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2304&amp;h=3456&amp;fit=max 2304w,https:\/\/images.unsplash.com\/photo-1573497620494-a2f1330f0cbb?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw0MHx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY0MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1536&amp;h=2304&amp;fit=max 1536w,https:\/\/images.unsplash.com\/photo-1573497620494-a2f1330f0cbb?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw0MHx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY0MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=768&amp;h=1152&amp;fit=max 768w,https:\/\/images.unsplash.com\/photo-1573497620494-a2f1330f0cbb?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw0MHx8d29tZW4lMjB3aXRoJTIwbGFwdG9wfGVufDB8fHx8MTY4Mzg5NDY0MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=510&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 53vh, 119vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<div class=\"element-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"page-background-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-6.31068%;width:43.68932%;height:9.70874%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-8eeed1c9-d699-4565-99cc-c70b8c4b32e6\">\n<div style=\"position:absolute;width:100.28251%;height:100%;left:-0.14125%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png\" alt=\"InterviewBit-White-2\" srcSet=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png 2130w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-2048x681.png 2048w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1536x511.png 1536w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1024x340.png 1024w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-768x255.png 768w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-300x100.png 300w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-150x50.png 150w\" sizes=\"(min-width: 1024px) 20vh, 44vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.52427%;top:61.16505%;width:84.70874%;height:18.4466%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-8b558324-3485-4e76-b118-584debaf488b\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-eef44ca4-8414-466e-88a0-8e6a5472a57c\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 1.7543859649122806% 1.7543859649122806% 1.7543859649122806% 1.7543859649122806%;background-clip:content-box;background-color:rgba(69,69,69,0.5)\" id=\"el-69b36f8e-287a-419a-8192-bef849c3e040\">\n<h3 id=\"nodes-directly-connected-to-a-parent-node-are-referred-to-as-its-child-nodes-a-parent-can-have-multiple-children\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.6985673352435529% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.420712em;line-height:0.9;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #fff\">Nodes directly connected to a parent node are referred to as its child nodes. A parent can have multiple children.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:53.72168%;width:84.70874%;height:7.44337%;opacity:1\">\n<div id=\"anim-edd725b7-ad2c-437f-b0e3-556a065638c4\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-59eed396-89bc-4aaa-bd65-3003faa3377e\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%;background-clip:content-box;background-color:rgba(0,0,0,0.5)\" id=\"el-b4d45fa6-cca4-4950-b9e9-87aa888a3235\">\n<h2 id=\"3-child-node\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4280802292263615% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.453074em;line-height:1;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #c77dff\">3. Child Node<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:89.96764%;width:100%;height:7.44337%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%\" id=\"el-922527b7-7610-466d-b50e-8fe98925f96d\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.1067961165048545% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.323625em;line-height:0.9;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Practice tree data structure problems&nbsp;<\/span><br \/>\n<span style=\"font-weight: 700; color: #fff\">to improve your skills!<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/d3n0h9tb65y8q.cloudfront.net\/public_assets\/assets\/000\/003\/577\/original\/MYSQL_Cheat_Sheet.png?1656648661\"><a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/tree-data-structure\/?utm_source=ib&amp;utm_medium=webstories&amp;utm_campaign=10-essential-tree-data-structure-concepts-every-developer-should-know\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"84da818d-b3ab-4870-aa18-f73c2b20796a\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-e6498aa1-07b2-4836-b4cf-df0f4885b8ea\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation 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class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-e25cb047-eb13-4cd4-925f-8aef2f5c7845\">\n<div style=\"position:absolute;width:118.58351%;height:100%;left:-9.29175%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/images.unsplash.com\/photo-1633113215883-a43e36bc6178?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1NTh8fG1lbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzODk1MDU0fDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=4866&amp;h=7295&amp;fit=max\" alt=\"Man at home wearing pyjamas smiling at Surface Laptop screen\" srcSet=\"https:\/\/images.unsplash.com\/photo-1633113215883-a43e36bc6178?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1NTh8fG1lbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzODk1MDU0fDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=4866&amp;h=7295&amp;fit=max 4866w,https:\/\/images.unsplash.com\/photo-1633113215883-a43e36bc6178?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1NTh8fG1lbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzODk1MDU0fDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3892&amp;h=5835&amp;fit=max 3892w,https:\/\/images.unsplash.com\/photo-1633113215883-a43e36bc6178?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1NTh8fG1lbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzODk1MDU0fDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2919&amp;h=4376&amp;fit=max 2919w,https:\/\/images.unsplash.com\/photo-1633113215883-a43e36bc6178?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1NTh8fG1lbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzODk1MDU0fDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1946&amp;h=2917&amp;fit=max 1946w,https:\/\/images.unsplash.com\/photo-1633113215883-a43e36bc6178?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1NTh8fG1lbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzODk1MDU0fDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=973&amp;h=1459&amp;fit=max 973w,https:\/\/images.unsplash.com\/photo-1633113215883-a43e36bc6178?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw1NTh8fG1lbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzODk1MDU0fDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=510&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 53vh, 119vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<div class=\"element-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"page-background-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-6.31068%;width:43.68932%;height:9.70874%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-0af0139c-8afc-467e-8ce6-a48d9a3c4520\">\n<div style=\"position:absolute;width:100.28251%;height:100%;left:-0.14125%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png\" alt=\"InterviewBit-White-2\" srcSet=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png 2130w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-2048x681.png 2048w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1536x511.png 1536w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1024x340.png 1024w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-768x255.png 768w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-300x100.png 300w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-150x50.png 150w\" sizes=\"(min-width: 1024px) 20vh, 44vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:61.16505%;width:84.70874%;height:14.56311%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-e6498aa1-07b2-4836-b4cf-df0f4885b8ea\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-65ca267a-39fd-40f2-8e54-6d01a16248b9\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 2.2222222222222223% 2.2222222222222223% 2.2222222222222223% 2.2222222222222223%;background-clip:content-box;background-color:rgba(69,69,69,0.5)\" id=\"el-41bbe0ff-ee2d-4d45-b0b9-dac836f7146b\">\n<h3 id=\"leaf-nodes-are-the-nodes-without-any-children-they-are-the-endpoints-of-a-trees-branches\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.6985673352435529% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.420712em;line-height:0.9;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #fff\">Leaf nodes are the nodes without any children. They are the endpoints of a tree&#8217;s branches.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:53.72168%;width:84.70874%;height:7.44337%;opacity:1\">\n<div id=\"anim-57baeb8c-7d6e-407a-9502-9db4fbc74127\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-2546e26e-36bf-45df-8fcc-857fb939ce39\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%;background-clip:content-box;background-color:rgba(0,0,0,0.5)\" id=\"el-68ae8d73-16bf-412b-a517-c02d3e8d092e\">\n<h2 id=\"4-leaf-node\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4280802292263615% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.453074em;line-height:1;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #c77dff\">4. Leaf Node<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:89.96764%;width:100%;height:7.44337%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%\" id=\"el-c544bedf-9d65-4ad4-a63f-88e4bb2fdb27\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.1067961165048545% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.323625em;line-height:0.9;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Practice tree data structure problems&nbsp;<\/span><br \/>\n<span style=\"font-weight: 700; color: #fff\">to improve your skills!<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/assets.interviewbit.com\/assets\/ib-logo-904db47f8d2208f21a168bfe4851e0fdcc041f2487b6a8ec0b181d3724dbd012.png.gz\"><a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/tree-data-structure\/?utm_source=ib&amp;utm_medium=webstories&amp;utm_campaign=10-essential-tree-data-structure-concepts-every-developer-should-know\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"1ed6e320-a489-442e-9c0e-36c2a2668e1b\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-02a2a5ad-f969-4c4c-9961-eb152af4c1b3 [data-leaf-element=\\\"true\\\"]\",\"keyframes\":{\"transform\":[\"translate(0%, 0%) scale(1.5)\",\"translate(0%, 0%) scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-92022445-102e-4343-a75c-405b4d99bfa2\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-a9d4a0fc-082f-4dde-ad40-fa6f0b7cc199\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script 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class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-e25cb047-eb13-4cd4-925f-8aef2f5c7845\">\n<div style=\"position:absolute;width:118.51852%;height:100%;left:-9.25926%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/images.unsplash.com\/photo-1543060829-a0029874b174?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8bWFuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODAwMTA2MDc&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3456&amp;h=5184&amp;fit=max\" alt=\"man sitting facing silver MacBook inside room\" srcSet=\"https:\/\/images.unsplash.com\/photo-1543060829-a0029874b174?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8bWFuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODAwMTA2MDc&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3456&amp;h=5184&amp;fit=max 3456w,https:\/\/images.unsplash.com\/photo-1543060829-a0029874b174?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8bWFuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODAwMTA2MDc&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2764&amp;h=4146&amp;fit=max 2764w,https:\/\/images.unsplash.com\/photo-1543060829-a0029874b174?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8bWFuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODAwMTA2MDc&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2073&amp;h=3110&amp;fit=max 2073w,https:\/\/images.unsplash.com\/photo-1543060829-a0029874b174?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8bWFuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODAwMTA2MDc&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1382&amp;h=2073&amp;fit=max 1382w,https:\/\/images.unsplash.com\/photo-1543060829-a0029874b174?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8bWFuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODAwMTA2MDc&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=691&amp;h=1037&amp;fit=max 691w,https:\/\/images.unsplash.com\/photo-1543060829-a0029874b174?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzOXx8bWFuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODAwMTA2MDc&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=510&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 53vh, 119vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<div class=\"element-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"page-background-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-6.31068%;width:43.68932%;height:9.70874%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" 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0.5730659025787965% \/ 1.4705882352941175% 1.4705882352941175% 1.4705882352941175% 1.4705882352941175%;background-clip:content-box;background-color:rgba(69,69,69,0.5)\" id=\"el-3702a50b-2824-40d7-9b0f-4806f6acd790\">\n<h3 id=\"unoptimized-queries-can-result-in-slow-performance-analyze-and-optimize-your-queries-utilize-proper-indexes-and-rewrite-complex-queries-for-efficiency\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.6985673352435529% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.420712em;line-height:0.9;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #fff\">Unoptimized queries can result in slow performance. Analyze and optimize your queries, utilize proper indexes, and rewrite complex queries for efficiency.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:53.72168%;width:84.70874%;height:7.44337%;opacity:1\">\n<div id=\"anim-3a12ba0e-a576-48a4-9861-0f219125fb36\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-cf9eff09-ef6c-45af-9eb1-fad244d6a8f4\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%;background-clip:content-box;background-color:rgba(0,0,0,0.5)\" id=\"el-88f5f41a-c697-4e98-9c34-d9e96dec5f4a\">\n<h2 id=\"5-binary-trees\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4280802292263615% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.453074em;line-height:1;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #c77dff\">5. Binary Trees<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:89.96764%;width:100%;height:7.44337%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%\" id=\"el-98c29146-cfce-4c47-8970-2ff135096741\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.1067961165048545% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.323625em;line-height:0.9;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Practice tree data structure problems&nbsp;<\/span><br \/>\n<span style=\"font-weight: 700; color: #fff\">to improve your skills!<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/assets.interviewbit.com\/assets\/ib-logo-904db47f8d2208f21a168bfe4851e0fdcc041f2487b6a8ec0b181d3724dbd012.png.gz\"><a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/tree-data-structure\/?utm_source=ib&amp;utm_medium=webstories&amp;utm_campaign=10-essential-tree-data-structure-concepts-every-developer-should-know\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"c37738f0-86e3-4c6c-8038-5f325dd64be2\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-48d773f6-7f35-440f-9222-f92f7ece4f89 [data-leaf-element=\\\"true\\\"]\",\"keyframes\":{\"transform\":[\"translate(0%, 0%) scale(1.5)\",\"translate(0%, 0%) scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-9f2f8d18-660e-4687-bd6a-72bac7c441e7\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-b2e2716f-cabe-44e4-8ebd-ef2ad6c6be92\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script 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class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-2b7ab582-f622-4761-92fc-147b6356785f\">\n<div style=\"position:absolute;width:118.67612%;height:100%;left:-9.33806%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/images.unsplash.com\/photo-1573495783323-9e59a325d4b4?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxMzB8fHdvbWVuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODExMzMxMjM&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=4016&amp;h=6016&amp;fit=max\" alt=\"shallow focus photo of woman using MacBook\" srcSet=\"https:\/\/images.unsplash.com\/photo-1573495783323-9e59a325d4b4?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxMzB8fHdvbWVuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODExMzMxMjM&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=4016&amp;h=6016&amp;fit=max 4016w,https:\/\/images.unsplash.com\/photo-1573495783323-9e59a325d4b4?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxMzB8fHdvbWVuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODExMzMxMjM&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3212&amp;h=4812&amp;fit=max 3212w,https:\/\/images.unsplash.com\/photo-1573495783323-9e59a325d4b4?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxMzB8fHdvbWVuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODExMzMxMjM&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2409&amp;h=3609&amp;fit=max 2409w,https:\/\/images.unsplash.com\/photo-1573495783323-9e59a325d4b4?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxMzB8fHdvbWVuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODExMzMxMjM&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1606&amp;h=2406&amp;fit=max 1606w,https:\/\/images.unsplash.com\/photo-1573495783323-9e59a325d4b4?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxMzB8fHdvbWVuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODExMzMxMjM&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=803&amp;h=1203&amp;fit=max 803w,https:\/\/images.unsplash.com\/photo-1573495783323-9e59a325d4b4?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxMzB8fHdvbWVuJTIwd2l0aCUyMGxhcHRvcHxlbnwwfHx8fDE2ODExMzMxMjM&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=509&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 53vh, 119vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<div class=\"element-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"page-background-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-6.31068%;width:43.68932%;height:9.70874%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-b8a66c8a-58c3-4f2e-beb0-6ad4e33e83eb\">\n<div style=\"position:absolute;width:100.28251%;height:100%;left:-0.14125%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png\" alt=\"InterviewBit-White-2\" srcSet=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png 2130w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-2048x681.png 2048w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1536x511.png 1536w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1024x340.png 1024w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-768x255.png 768w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-300x100.png 300w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-150x50.png 150w\" sizes=\"(min-width: 1024px) 20vh, 44vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.52427%;top:61.32686%;width:84.70874%;height:25.88997%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-9f2f8d18-660e-4687-bd6a-72bac7c441e7\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-b2e2716f-cabe-44e4-8ebd-ef2ad6c6be92\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 1.25% 1.25% 1.25% 1.25%;background-clip:content-box;background-color:rgba(69,69,69,0.5)\" id=\"el-0b2fe33e-68ae-46ed-9613-cc0192eb496d\">\n<h3 id=\"bsts-are-binary-trees-with-a-specific-ordering-property-the-left-child-of-a-node-must-have-a-value-less-than-the-nodes-value-and-the-right-child-must-have-a-value-greater\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.6985673352435529% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.420712em;line-height:0.9;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #fff\">BSTs are binary trees with a specific ordering property. The left child of a node must have a value less than the node&#8217;s value, and the right child must have a value greater.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:53.72168%;width:84.70874%;height:7.44337%;opacity:1\">\n<div id=\"anim-2f1319dd-c0a3-4dd5-873f-223b2584db32\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-b8aea88b-7cc4-4f55-af60-478f2a71e6a5\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%;background-clip:content-box;background-color:rgba(0,0,0,0.5)\" id=\"el-3123e286-16c0-4a72-91aa-bba8e16a54eb\">\n<h2 id=\"6-binary-search-trees-bst\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4280802292263615% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.453074em;line-height:1;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #c77dff\">6. Binary Search Trees (BST)<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:89.96764%;width:100%;height:7.44337%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%\" id=\"el-db108d57-03f7-4a07-8268-d1ebc4d0af79\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.1067961165048545% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.323625em;line-height:0.9;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Practice tree data structure problems&nbsp;<\/span><br \/>\n<span style=\"font-weight: 700; color: #fff\">to improve your skills!<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/d3n0h9tb65y8q.cloudfront.net\/public_assets\/assets\/000\/003\/577\/original\/MYSQL_Cheat_Sheet.png?1656648661\"><a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/tree-data-structure\/?utm_source=ib&amp;utm_medium=webstories&amp;utm_campaign=10-essential-tree-data-structure-concepts-every-developer-should-know\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"84958c6f-2db8-427c-bcf9-fbf0da43a485\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-33832d6f-5b13-4254-bba7-7a5fff49c050 [data-leaf-element=\\\"true\\\"]\",\"keyframes\":{\"transform\":[\"translate(0%, 0%) scale(1.5)\",\"translate(0%, 0%) 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300w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-150x50.png 150w\" sizes=\"(min-width: 1024px) 20vh, 44vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:8.00971%;top:65.69579%;width:84.70874%;height:18.4466%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-dfab113e-6ea5-4b8e-84b8-019a2b7aaa11\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-c25d0f84-4be9-47df-8792-2b0ede37568e\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 1.7543859649122806% 1.7543859649122806% 1.7543859649122806% 1.7543859649122806%;background-clip:content-box;background-color:rgba(69,69,69,0.5)\" id=\"el-f3f4765a-f636-41e9-99bc-6e95c44af06a\">\n<h3 id=\"dfs-is-a-technique-to-explore-the-tree-by-visiting-as-far-as-possible-along-each-branch-before-backtracking\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.6985673352435529% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.420712em;line-height:0.9;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #fff\">DFS is a technique to explore the tree by visiting as far as possible along each branch before backtracking.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:53.72168%;width:84.70874%;height:11.97411%;opacity:1\">\n<div id=\"anim-07d1b3be-315f-4912-8987-9603feaa307a\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-ca93eb17-6f27-4ebf-80fb-929f5b89a506\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 2.7027027027027026% 2.7027027027027026% 2.7027027027027026% 2.7027027027027026%;background-clip:content-box;background-color:rgba(0,0,0,0.5)\" id=\"el-c674c856-8ff6-4892-a5c1-929ebf205bb0\">\n<h2 id=\"7-tree-traversal-depth-first-search-dfs\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4280802292263615% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.453074em;line-height:1;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #c77dff\">7. Tree Traversal &#8211; Depth-First Search (DFS)<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:89.96764%;width:100%;height:7.44337%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%\" id=\"el-29c83e3c-447d-4dc8-8505-94a6f9adf1cd\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.1067961165048545% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.323625em;line-height:0.9;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Practice tree data structure problems&nbsp;<\/span><br \/>\n<span style=\"font-weight: 700; color: #fff\">to improve your skills!<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/assets.interviewbit.com\/assets\/ib-logo-904db47f8d2208f21a168bfe4851e0fdcc041f2487b6a8ec0b181d3724dbd012.png.gz\"><a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/tree-data-structure\/?utm_source=ib&amp;utm_medium=webstories&amp;utm_campaign=10-essential-tree-data-structure-concepts-every-developer-should-know\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"574402b9-50d6-47cb-a05e-fa4de0d5f139\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-bf6ad7aa-e2fa-4cdf-a697-49d149a40bd6 [data-leaf-element=\\\"true\\\"]\",\"keyframes\":{\"transform\":[\"translate(0%, 0%) scale(1.5)\",\"translate(0%, 0%) 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4000w,https:\/\/images.unsplash.com\/photo-1676378390024-025fcdf80d02?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHw1OTN8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzMjkxNDE4&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3200&amp;h=4800&amp;fit=max 3200w,https:\/\/images.unsplash.com\/photo-1676378390024-025fcdf80d02?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHw1OTN8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzMjkxNDE4&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2400&amp;h=3600&amp;fit=max 2400w,https:\/\/images.unsplash.com\/photo-1676378390024-025fcdf80d02?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHw1OTN8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzMjkxNDE4&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1600&amp;h=2400&amp;fit=max 1600w,https:\/\/images.unsplash.com\/photo-1676378390024-025fcdf80d02?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHw1OTN8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzMjkxNDE4&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=800&amp;h=1200&amp;fit=max 800w,https:\/\/images.unsplash.com\/photo-1676378390024-025fcdf80d02?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHw1OTN8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzMjkxNDE4&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=510&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 53vh, 119vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<div class=\"element-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"page-background-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-6.31068%;width:43.68932%;height:9.70874%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-d28b53f7-5b9d-41e5-b828-60be514f4c3f\">\n<div style=\"position:absolute;width:100.28251%;height:100%;left:-0.14125%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png\" alt=\"InterviewBit-White-2\" srcSet=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png 2130w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-2048x681.png 2048w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1536x511.png 1536w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1024x340.png 1024w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-768x255.png 768w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-300x100.png 300w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-150x50.png 150w\" sizes=\"(min-width: 1024px) 20vh, 44vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.52427%;top:65.53398%;width:84.70874%;height:18.4466%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-bf22083b-41ae-4042-a306-9a9178c0d9b8\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-af88967f-c7b6-4dfe-8619-daa597b3453c\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 1.7543859649122806% 1.7543859649122806% 1.7543859649122806% 1.7543859649122806%;background-clip:content-box;background-color:rgba(69,69,69,0.5)\" id=\"el-dd2ed477-327f-4b50-9225-d85d470021c9\">\n<h3 id=\"bfs-explores-the-tree-level-by-level-visiting-all-the-nodes-at-the-same-depth-before-moving-on-to-the-next-level\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.6985673352435529% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.420712em;line-height:0.9;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #fff\">BFS explores the tree level by level, visiting all the nodes at the same depth before moving on to the next level.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:53.72168%;width:84.70874%;height:11.97411%;opacity:1\">\n<div id=\"anim-7ed1aa35-e446-4016-8ca9-569abc1a71d5\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-a4db154e-610e-47c3-8ba3-c938bf07bd77\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 2.7027027027027026% 2.7027027027027026% 2.7027027027027026% 2.7027027027027026%;background-clip:content-box;background-color:rgba(0,0,0,0.5)\" id=\"el-c08004d6-81db-46ae-8663-83edb6d81a2e\">\n<h2 id=\"8-tree-traversal-breadth-first-search-bfs\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4280802292263615% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.453074em;line-height:1;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #c77dff\">8. Tree Traversal &#8211; Breadth-First Search (BFS)<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:89.96764%;width:100%;height:7.44337%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%\" id=\"el-9d0fbd2b-f9fc-48d6-bfa7-6c9bcf9ff5bb\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.1067961165048545% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.323625em;line-height:0.9;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Practice tree data structure problems&nbsp;<\/span><br \/>\n<span style=\"font-weight: 700; color: #fff\">to improve your skills!<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/assets.interviewbit.com\/assets\/ib-logo-904db47f8d2208f21a168bfe4851e0fdcc041f2487b6a8ec0b181d3724dbd012.png.gz\"><a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/tree-data-structure\/?utm_source=ib&amp;utm_medium=webstories&amp;utm_campaign=10-essential-tree-data-structure-concepts-every-developer-should-know\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"628f5c08-058d-44e4-9b01-80e0d7e02ed1\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-92921468-354e-4c9d-952d-0db4bfe6f064 [data-leaf-element=\\\"true\\\"]\",\"keyframes\":{\"transform\":[\"translate(0%, 0%) scale(1.5)\",\"translate(0%, 0%) 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3024w,https:\/\/images.unsplash.com\/photo-1638802126216-dbab1180cb6f?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzNDJ8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzMjkxMjc1&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2419&amp;h=3225&amp;fit=max 2419w,https:\/\/images.unsplash.com\/photo-1638802126216-dbab1180cb6f?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzNDJ8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzMjkxMjc1&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1814&amp;h=2419&amp;fit=max 1814w,https:\/\/images.unsplash.com\/photo-1638802126216-dbab1180cb6f?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzNDJ8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzMjkxMjc1&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1209&amp;h=1612&amp;fit=max 1209w,https:\/\/images.unsplash.com\/photo-1638802126216-dbab1180cb6f?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzNDJ8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzMjkxMjc1&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=604&amp;h=805&amp;fit=max 604w,https:\/\/images.unsplash.com\/photo-1638802126216-dbab1180cb6f?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwzNDJ8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjgzMjkxMjc1&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=453&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 60vh, 134vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<div class=\"element-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"page-background-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-6.31068%;width:43.68932%;height:9.70874%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-b4e0e20a-7c3c-4e68-8057-a8b1f56d0cf0\">\n<div style=\"position:absolute;width:100.28251%;height:100%;left:-0.14125%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png\" alt=\"InterviewBit-White-2\" srcSet=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png 2130w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-2048x681.png 2048w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1536x511.png 1536w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1024x340.png 1024w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-768x255.png 768w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-300x100.png 300w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-150x50.png 150w\" sizes=\"(min-width: 1024px) 20vh, 44vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.52427%;top:61.16505%;width:84.70874%;height:22.00647%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-739b06cc-7966-4038-b8b2-1d09325653e8\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-3cc72466-0f92-4caf-995e-eabad5faa4f6\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 1.4705882352941175% 1.4705882352941175% 1.4705882352941175% 1.4705882352941175%;background-clip:content-box;background-color:rgba(69,69,69,0.5)\" id=\"el-45f38c6b-6d50-4aca-a928-80ac4b2a1ceb\">\n<h3 id=\"balanced-trees-like-avl-and-red-black-trees-maintain-the-trees-balance-to-ensure-efficient-operations-and-avoid-worst-case-scenarios\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.6985673352435529% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.420712em;line-height:0.9;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #fff\">Balanced trees, like AVL and Red-Black trees, maintain the tree&#8217;s balance to ensure efficient operations and avoid worst-case scenarios.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:53.72168%;width:84.70874%;height:7.44337%;opacity:1\">\n<div id=\"anim-e3fbccb9-1798-4a5d-bd9c-ec06fb1a853d\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-b14272cb-4db5-495f-8f75-9f568dc1c91a\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%;background-clip:content-box;background-color:rgba(0,0,0,0.5)\" id=\"el-6c2785ac-71fe-4cfd-a1be-e9f0ef105c22\">\n<h2 id=\"9-balanced-trees\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4280802292263615% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.453074em;line-height:1;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #c77dff\">9. Balanced Trees<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:89.96764%;width:100%;height:7.44337%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%\" id=\"el-8a390cd9-b1e8-4fd5-9c8b-e08d54064c22\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.1067961165048545% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.323625em;line-height:0.9;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Practice tree data structure problems&nbsp;<\/span><br \/>\n<span style=\"font-weight: 700; color: #fff\">to improve your skills!<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/assets.interviewbit.com\/assets\/ib-logo-904db47f8d2208f21a168bfe4851e0fdcc041f2487b6a8ec0b181d3724dbd012.png.gz\"><a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/tree-data-structure\/?utm_source=ib&amp;utm_medium=webstories&amp;utm_campaign=10-essential-tree-data-structure-concepts-every-developer-should-know\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"a408018a-6448-43d7-863b-23053418eaa0\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-bf4dc739-8f50-4ab1-8f2b-ab462eaa218a\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation 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type=\"application\/json\">[{\"selector\":\"#anim-9022d081-6095-40cf-a6d9-1b3d0ce8e2ac\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-3ff35689-aa71-49d1-885b-2a28cc977a44 [data-leaf-element=\\\"true\\\"]\",\"keyframes\":{\"transform\":[\"translate(-3.552713678800501e-15%, 0%) scale(1.5)\",\"translate(0%, 0%) scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\" style=\"background-color:#595959\">\n<div class=\"page-safe-area\">\n<div 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srcSet=\"https:\/\/images.unsplash.com\/photo-1623685463160-f3f501540a91?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxMTR8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjkwODAyMDkyfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=4160&amp;h=4000&amp;fit=max 4160w,https:\/\/images.unsplash.com\/photo-1623685463160-f3f501540a91?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxMTR8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjkwODAyMDkyfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3328&amp;h=3200&amp;fit=max 3328w,https:\/\/images.unsplash.com\/photo-1623685463160-f3f501540a91?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxMTR8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjkwODAyMDkyfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2496&amp;h=2400&amp;fit=max 2496w,https:\/\/images.unsplash.com\/photo-1623685463160-f3f501540a91?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxMTR8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjkwODAyMDkyfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1664&amp;h=1600&amp;fit=max 1664w,https:\/\/images.unsplash.com\/photo-1623685463160-f3f501540a91?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxMTR8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjkwODAyMDkyfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=832&amp;h=800&amp;fit=max 832w,https:\/\/images.unsplash.com\/photo-1623685463160-f3f501540a91?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxMTR8fG1hbiUyMHdpdGglMjBsYXB0b3B8ZW58MHx8fHwxNjkwODAyMDkyfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=327&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 83vh, 185vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<div class=\"element-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"page-background-overlay-area\" style=\"background-color:rgba(0,0,0,0.5)\"><\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-6.31068%;width:43.68932%;height:9.70874%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-25cc6e17-9acd-4694-8c32-5066a7599eda\">\n<div style=\"position:absolute;width:100.28251%;height:100%;left:-0.14125%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png\" alt=\"InterviewBit-White-2\" srcSet=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2.png 2130w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-2048x681.png 2048w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1536x511.png 1536w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-1024x340.png 1024w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-768x255.png 768w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-300x100.png 300w,https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/InterviewBit-White-2-150x50.png 150w\" sizes=\"(min-width: 1024px) 20vh, 44vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.52427%;top:61.16505%;width:84.70874%;height:18.4466%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-bf4dc739-8f50-4ab1-8f2b-ab462eaa218a\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-c7fbcce8-71e2-499d-b09a-60cef61e68f3\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 1.7543859649122806% 1.7543859649122806% 1.7543859649122806% 1.7543859649122806%;background-clip:content-box;background-color:rgba(69,69,69,0.5)\" id=\"el-c9157145-bd30-449f-8399-b3e460cd95f6\">\n<h3 id=\"trees-are-used-in-various-applications-including-file-systems-hierarchical-data-representation-and-searching-algorithms\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.6985673352435529% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.420712em;line-height:0.9;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #fff\">Trees are used in various applications, including file systems, hierarchical data representation, and searching algorithms.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.76699%;top:53.72168%;width:84.70874%;height:7.44337%;opacity:1\">\n<div id=\"anim-107bed22-e27c-4a5d-ab5f-faf85ea70d87\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-9022d081-6095-40cf-a6d9-1b3d0ce8e2ac\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5730659025787965% 0.5730659025787965% 0.5730659025787965% 0.5730659025787965% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%;background-clip:content-box;background-color:rgba(0,0,0,0.5)\" id=\"el-96ce68c2-9375-452e-b104-1d7060e972df\">\n<h2 id=\"10-applications-of-trees\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4280802292263615% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.453074em;line-height:1;text-align:left;padding:1.146131805157593% 2.292263610315186%;color:#000000\"><span><span style=\"color: #c77dff\">10. Applications of Trees<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:89.96764%;width:100%;height:7.44337%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.48543689320388345% 0.48543689320388345% 0.48543689320388345% 0.48543689320388345% \/ 4.3478260869565215% 4.3478260869565215% 4.3478260869565215% 4.3478260869565215%\" id=\"el-d396152f-fb7f-4136-af61-6cea6eccc979\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.1067961165048545% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.323625em;line-height:0.9;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Practice tree data structure problems&nbsp;<\/span><br \/>\n<span style=\"font-weight: 700; color: #fff\">to improve your skills!<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/assets.interviewbit.com\/assets\/ib-logo-904db47f8d2208f21a168bfe4851e0fdcc041f2487b6a8ec0b181d3724dbd012.png.gz\"><a href=\"https:\/\/www.interviewbit.com\/courses\/programming\/tree-data-structure\/?utm_source=ib&amp;utm_medium=webstories&amp;utm_campaign=10-essential-tree-data-structure-concepts-every-developer-should-know\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"9dbdaeff-6ccb-48b5-89dd-0f92d4d5c90e\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-5e556563-afee-4637-893d-17a21bac1475\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":600,\"easing\":\"cubic-bezier(0.2, 0.6, 0.0, 1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation 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