{"id":16452,"date":"2023-02-20T19:49:33","date_gmt":"2023-02-20T14:19:33","guid":{"rendered":"https:\/\/www.interviewbit.com\/blog\/?post_type=web-story&#038;p=16452"},"modified":"2023-02-20T19:49:34","modified_gmt":"2023-02-20T14:19:34","slug":"4-methods-to-solve-trapping-rain-water","status":"publish","type":"web-story","link":"https:\/\/www.interviewbit.com\/blog\/web-stories\/4-methods-to-solve-trapping-rain-water\/","title":{"rendered":"4 Methods to Solve Trapping Rain Water"},"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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name=\"web-stories-replace-head-end\"\/><\/head><body><amp-story standalone=\"\" publisher=\"InterviewBit\" publisher-logo-src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/07\/cropped-tumblr-logo.png\" title=\"4 Methods to Solve Trapping Rain Water\" poster-portrait-src=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2023\/02\/cropped-week-4-20th-1-1.png\"><amp-story-page id=\"d1e9a7c2-404d-415a-a2eb-eea40554940b\" auto-advance-after=\"7s\"><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\" style=\"background-color:#0c2640\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-9.25926%;width:100%;height:118.51852%;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-8713361c-f03a-487f-9a51-a0f98b9ddadb\">\n<div 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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:2.6699%;top:63.1068%;width:87.13592%;height:23.13916%;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:0.5571030640668524% 0.5571030640668524% 0.5571030640668524% 0.5571030640668524% \/ 1.3986013986013985% 1.3986013986013985% 1.3986013986013985% 1.3986013986013985%\" id=\"el-95a17566-0eff-4d0a-a9a1-c1eab9f25976\">\n<h1 id=\"4-methods-to-solve-trapping-rain-water\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.0772110027855153% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.728155em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">4 Methods to Solve Trapping Rain Water<\/span><\/span><\/h1>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:2.6699%;top:87.05502%;width:91.26214%;height:5.66343%;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:0.5319148936170213% 0.5319148936170213% 0.5319148936170213% 0.5319148936170213% \/ 5.714285714285714% 5.714285714285714% 5.714285714285714% 5.714285714285714%\" id=\"el-cd5e9604-8a06-49c9-ac81-19784a284f87\">\n<h2 id=\"a-quick-guide\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.11220079787234044% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.485437em;line-height:1.2;text-align:left;padding:0;color:#000000\"><span><span style=\"color: #347eff\">A Quick Guide<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:3.8835%;top:94.66019%;width:24.75728%;height:10.35599%;opacity:1\">\n<div 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style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-d2634fee-089f-4773-8e5b-daa8c5ab4bd7\" 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:0.5617977528089888% 0.5617977528089888% 0.5617977528089888% 0.5617977528089888% \/ 0.796812749003984% 0.796812749003984% 0.796812749003984% 0.796812749003984%\" id=\"el-01463911-9ace-441d-a6f8-4307552a5552\">\n<h2 id=\"imagine-a-landscape-with-several-blocks-of-different-heights-when-it-rains-how-much-water-can-be-trapped-between-the-blocks-the-trapping-rain-water-problem-aims-to-solve-this\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.5% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.485437em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"color: #fff\">Imagine a landscape with several blocks of different heights. When it rains, how much water can be trapped between the blocks? &nbsp;&nbsp;<\/span><\/p>\n<p><span style=\"color: #347eff\">The Trapping Rain Water problem aims to solve this&#8230;.<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/Josephus-Problem.png\"><a href=\"https:\/\/www.interviewbit.com\/blog\/trapping-rain-water\/?utm_source=Ib&amp;utm_medium=webstories&amp;utm_campaign=4-methods-to-solve-trapping-rain-water\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"89c46d12-909f-4a7b-b582-777f409a4ac2\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-0a95e5f7-66c9-4788-97de-551f62c79f6e [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-ab0e8649-034a-40d5-9239-eddd7190ebab\",\"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-58a6fbad-ebfb-4d71-bcbb-394f704f91a0\",\"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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6016w,https:\/\/images.unsplash.com\/photo-1573164574397-dd250bc8a598?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHw3OHx8c29mdHdhcmUlMjBkZXZlbG9wZXJ8ZW58MHx8fHwxNjcwMzM2Mjk2&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=4812&amp;h=3212&amp;fit=max 4812w,https:\/\/images.unsplash.com\/photo-1573164574397-dd250bc8a598?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHw3OHx8c29mdHdhcmUlMjBkZXZlbG9wZXJ8ZW58MHx8fHwxNjcwMzM2Mjk2&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3609&amp;h=2409&amp;fit=max 3609w,https:\/\/images.unsplash.com\/photo-1573164574397-dd250bc8a598?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHw3OHx8c29mdHdhcmUlMjBkZXZlbG9wZXJ8ZW58MHx8fHwxNjcwMzM2Mjk2&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2406&amp;h=1606&amp;fit=max 2406w,https:\/\/images.unsplash.com\/photo-1573164574397-dd250bc8a598?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHw3OHx8c29mdHdhcmUlMjBkZXZlbG9wZXJ8ZW58MHx8fHwxNjcwMzM2Mjk2&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1203&amp;h=803&amp;fit=max 1203w,https:\/\/images.unsplash.com\/photo-1573164574397-dd250bc8a598?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHw3OHx8c29mdHdhcmUlMjBkZXZlbG9wZXJ8ZW58MHx8fHwxNjcwMzM2Mjk2&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=227&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 120vh, 267vw\" 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-90701d05-70b8-48ba-9066-72199e99b3ce\">\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:7.28155%;top:30.58252%;width:85.43689%;height:26.05178%;opacity:1\">\n<div id=\"anim-ab0e8649-034a-40d5-9239-eddd7190ebab\" 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-58a6fbad-ebfb-4d71-bcbb-394f704f91a0\" 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:0.5681818181818182% 0.5681818181818182% 0.5681818181818182% 0.5681818181818182% \/ 1.2422360248447204% 1.2422360248447204% 1.2422360248447204% 1.2422360248447204%\" id=\"el-beb9cd08-b670-4372-bebb-c5ab5af8e430\">\n<h2 id=\"given-an-array-of-non-negative-integers-representing-the-elevation-map-the-task-is-to-find-the-total-volume-of-water-that-can-be-trapped-after-rain\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.5170454545454544% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.485437em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"color: #fff\">Given an array of non-negative integers representing the elevation map, the task is to find the total volume of water that can be trapped after rain.<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:4.69256%;width:99.51456%;height:10.67961%;opacity:1\">\n<div id=\"anim-f667fb79-2adb-4c95-b543-8f28c8b9bc9c\" 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-99b02300-be60-47aa-aff9-7e7987e88ee2\" 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:0.4878048780487805% 0.4878048780487805% 0.4878048780487805% 0.4878048780487805% \/ 3.0303030303030303% 3.0303030303030303% 3.0303030303030303% 3.0303030303030303%;background-clip:content-box;background-color:#052258\" id=\"el-ef4ae480-46f2-4e9c-84c7-8625c1e50c8c\">\n<h1 id=\"problem-statement\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:2.3912195121951223% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.695793em;line-height:0.9;text-align:center;padding:0.975609756097561% 1.951219512195122%;color:#000000\"><span><span style=\"font-weight: 700; color: #3372e0\">Problem Statement<\/span><\/span><\/h1>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/18-Trapping-Rain-Water.jpg\"><a href=\"https:\/\/www.interviewbit.com\/blog\/trapping-rain-water\/?utm_source=Ib&amp;utm_medium=webstories&amp;utm_campaign=4-methods-to-solve-trapping-rain-water\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"de3e1538-90d1-44c3-9dc1-e9eb15aea441\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script 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srcSet=\"https:\/\/images.unsplash.com\/photo-1573164574511-73c773193279?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxMDh8fHNvZnR3YXJlJTIwZGV2ZWxvcGVyfGVufDB8fHx8MTY3MDMzNjMzMA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=6016&amp;h=4016&amp;fit=max 6016w,https:\/\/images.unsplash.com\/photo-1573164574511-73c773193279?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxMDh8fHNvZnR3YXJlJTIwZGV2ZWxvcGVyfGVufDB8fHx8MTY3MDMzNjMzMA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=4812&amp;h=3212&amp;fit=max 4812w,https:\/\/images.unsplash.com\/photo-1573164574511-73c773193279?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxMDh8fHNvZnR3YXJlJTIwZGV2ZWxvcGVyfGVufDB8fHx8MTY3MDMzNjMzMA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3609&amp;h=2409&amp;fit=max 3609w,https:\/\/images.unsplash.com\/photo-1573164574511-73c773193279?ixid=MnwxMzcxOTN8MHwxfHNlYXJjaHwxMDh8fHNvZnR3YXJlJTIwZGV2ZWxvcGVyfGVufDB8fHx8MTY3MDMzNjMzMA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2406&amp;h=1606&amp;fit=max 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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-ca607fc3-47ce-46f2-be0f-336346011aab\">\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:33.65696%;width:84.46602%;height:30.90615%;opacity:1\">\n<div id=\"anim-02b59048-c9ea-4a2a-a2d2-18f34d7cbe53\" 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-5799be2b-b31a-462b-9274-ed6035a06737\" 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:0.5747126436781609% 0.5747126436781609% 0.5747126436781609% 0.5747126436781609% \/ 1.0471204188481675% 1.0471204188481675% 1.0471204188481675% 1.0471204188481675%\" id=\"el-91e1f96d-98c1-4640-bbd8-2ceb2f611100\">\n<h2 id=\"it-involves-traversing-the-array-to-find-the-maximum-height-on-the-left-and-right-of-each-element-and-then-computing-the-total-water-trapped-using-the-minimum-of-the-two-heights\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.5344827586206895% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.485437em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"color: #fff\">It involves traversing the array to find the maximum height on the left and right of each element, and then computing the total water trapped using the minimum of the two heights.<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:4.69256%;width:99.51456%;height:16.99029%;opacity:1\">\n<div id=\"anim-582566f5-313b-4818-b211-dcd94e07f00a\" 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-3df8a35d-30d0-4725-b6a4-52a4074ce758\" 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:0.4878048780487805% 0.4878048780487805% 0.4878048780487805% 0.4878048780487805% \/ 1.9047619047619049% 1.9047619047619049% 1.9047619047619049% 1.9047619047619049%;background-clip:content-box;background-color:#052258\" id=\"el-b353ae07-3f12-4ef2-865b-32707c574f83\">\n<h1 id=\"approach-1-brute-force-approach\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:2.3912195121951223% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.695793em;line-height:0.9;text-align:center;padding:0.975609756097561% 1.951219512195122%;color:#000000\"><span><span style=\"font-weight: 700; color: #3372e0\">Approach 1: Brute Force Approach<\/span><\/span><\/h1>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/18-Trapping-Rain-Water.jpg\"><a 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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:37.05502%;width:84.46602%;height:16.34304%;opacity:1\">\n<div id=\"anim-e3e9e4e2-f04e-4027-a318-0c445ffe4006\" 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-5c701c59-5308-4a33-8f02-85dbc5b52dac\" 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:0.5747126436781609% 0.5747126436781609% 0.5747126436781609% 0.5747126436781609% \/ 1.9801980198019802% 1.9801980198019802% 1.9801980198019802% 1.9801980198019802%\" id=\"el-e8aea5b7-d448-4343-8e51-1d97745db66a\">\n<h2 id=\"time-complexity-on2-space-complexity-o1\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.5344827586206895% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.485437em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #347eff\">Time Complexity:<\/span><span style=\"color: #fff\"> O(N^2).&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 700; color: #347eff\">Space Complexity: <\/span><span style=\"color: #fff\">O(1)<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/11\/Banner-2.png\"><a href=\"https:\/\/www.interviewbit.com\/blog\/trapping-rain-water\/?utm_source=Ib&amp;utm_medium=webstories&amp;utm_campaign=4-methods-to-solve-trapping-rain-water\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"cf434d3e-3132-4b3c-87e0-5ae80860d37a\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-bfe9d6a4-3274-4e13-a085-0d7cf3d4ebe2 [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:7.28155%;top:33.49515%;width:85.43689%;height:35.76052%;opacity:1\">\n<div id=\"anim-9d7871ec-215f-491c-92f2-3d015c4ba4cc\" 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-85621b48-c451-4fa7-b389-35a6ec2e35df\" 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:0.5681818181818182% 0.5681818181818182% 0.5681818181818182% 0.5681818181818182% \/ 0.904977375565611% 0.904977375565611% 0.904977375565611% 0.904977375565611%\" id=\"el-10752c12-70a7-4a16-8ef9-0e5287245dc9\">\n<h2 id=\"it-stores-the-maximum-heights-to-the-left-right-of-each-element-in-two-separate-arrays-these-arrays-help-to-calculate-amount-of-water-that-can-be-trapped-between-blocks-in-a-single-traversal\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.5170454545454544% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.485437em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"color: #fff\">It stores the maximum heights to the left &amp; right of each element in two separate arrays. These arrays help to calculate amount of water that can be trapped between blocks in a single traversal.<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:4.69256%;width:99.51456%;height:16.99029%;opacity:1\">\n<div id=\"anim-d9b0687b-7574-4fab-899f-1f00fa598ea0\" 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-2c24e778-f6f3-4cfe-bea2-af8943a33ec9\" 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:0.4878048780487805% 0.4878048780487805% 0.4878048780487805% 0.4878048780487805% \/ 1.9047619047619049% 1.9047619047619049% 1.9047619047619049% 1.9047619047619049%;background-clip:content-box;background-color:#052258\" id=\"el-fc245405-20e0-4e0c-ac66-2127f282a00e\">\n<h1 id=\"approach-2-dynamic-programming-approach\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:2.3912195121951223% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.695793em;line-height:0.9;text-align:center;padding:0.975609756097561% 1.951219512195122%;color:#000000\"><span><span style=\"font-weight: 700; color: #3372e0\">Approach 2- Dynamic Programming Approach<\/span><\/span><\/h1>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/18-Trapping-Rain-Water.jpg\"><a href=\"https:\/\/www.interviewbit.com\/blog\/trapping-rain-water\/?utm_source=Ib&amp;utm_medium=webstories&amp;utm_campaign=4-methods-to-solve-trapping-rain-water\" 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Grotesque&quot;,sans-serif;font-size:0.485437em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #347eff\">Time Complexity: <\/span><span style=\"color: #fff\">O(N) + O(N) + O(N) = O(N), since the array is traversed thrice.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 700; color: #347eff\">Space Complexity:<\/span><span style=\"color: #fff\"> O(N), since two arrays are needed.<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/18-Trapping-Rain-Water.jpg\"><a href=\"https:\/\/www.interviewbit.com\/blog\/trapping-rain-water\/?utm_source=Ib&amp;utm_medium=webstories&amp;utm_campaign=4-methods-to-solve-trapping-rain-water\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"f25964f4-dbbb-45f6-9845-b2f22bc25423\" 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style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.5170454545454544% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.485437em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"color: #fff\">Use a stack to track index of previous smaller blocks &amp; keep track of the area between the current block A[i] and all the previous blocks with smaller heights, resulting in a single scan.<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:4.69256%;width:99.51456%;height:16.99029%;opacity:1\">\n<div id=\"anim-af031533-9fe8-4c52-9b47-57ff519a9002\" 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-2b5f6a3d-6be4-4386-bd1b-9d00f9cae6ba\" 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:0.4878048780487805% 0.4878048780487805% 0.4878048780487805% 0.4878048780487805% \/ 1.9047619047619049% 1.9047619047619049% 1.9047619047619049% 1.9047619047619049%;background-clip:content-box;background-color:#052258\" id=\"el-c75b4c64-9993-483e-bfd7-82d8e788f31d\">\n<h1 id=\"approach-3-using-stacks\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:2.3912195121951223% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.695793em;line-height:0.9;text-align:center;padding:0.975609756097561% 1.951219512195122%;color:#000000\"><span><span style=\"font-weight: 700; color: #3372e0\">Approach 3: Using stacks<\/span><\/span><\/h1>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/18-Trapping-Rain-Water.jpg\"><a href=\"https:\/\/www.interviewbit.com\/blog\/trapping-rain-water\/?utm_source=Ib&amp;utm_medium=webstories&amp;utm_campaign=4-methods-to-solve-trapping-rain-water\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"71845751-8cb7-4437-86d5-c01495c5adb6\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-203f425e-3ed9-4d72-a67b-bcc3c966e4bb\",\"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 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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:7.28155%;top:33.49515%;width:85.43689%;height:26.05178%;opacity:1\">\n<div id=\"anim-203f425e-3ed9-4d72-a67b-bcc3c966e4bb\" 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-bf3bcca6-ac1b-4a17-a339-b3547093c59b\" 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:0.5681818181818182% 0.5681818181818182% 0.5681818181818182% 0.5681818181818182% \/ 1.2422360248447204% 1.2422360248447204% 1.2422360248447204% 1.2422360248447204%\" id=\"el-fcf60be8-a86a-4469-9801-87588cd80477\">\n<h2 id=\"time-complexity-on-since-the-array-is-traversed-once-space-complexity-on-stack-takes-on-space\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.5170454545454544% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.485437em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #347eff\">Time Complexity:<\/span><span style=\"color: #fff\"> O(N), since the array is traversed once.&nbsp;<\/span><\/p>\n<p><span style=\"font-weight: 700; color: #347eff\">Space Complexity: <\/span><span style=\"color: #fff\">O(N). Stack takes O(N) space.<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/18-Trapping-Rain-Water.jpg\"><a href=\"https:\/\/www.interviewbit.com\/blog\/trapping-rain-water\/?utm_source=Ib&amp;utm_medium=webstories&amp;utm_campaign=4-methods-to-solve-trapping-rain-water\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"2bbe46fd-8551-4ec1-b353-17c40fd09cd1\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-6f9a8cec-ea9f-475e-89ed-6920f8b8e7d8\",\"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 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style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.5170454545454544% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.485437em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"color: #fff\">This approach reduces space complexity to O(1) by taking two pointers at left &amp; right of the array, then calculates the water trapped in a given direction depending on height of the block.<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:0;top:4.69256%;width:99.51456%;height:16.99029%;opacity:1\">\n<div id=\"anim-43613eb2-55ac-4d4b-a068-50b0e2ef9ae9\" 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-8117e653-1eb1-4750-8e6d-8d7999b3aa45\" 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:0.4878048780487805% 0.4878048780487805% 0.4878048780487805% 0.4878048780487805% \/ 1.9047619047619049% 1.9047619047619049% 1.9047619047619049% 1.9047619047619049%;background-clip:content-box;background-color:#052258\" id=\"el-fa32c99e-1902-46ac-a38e-d6cb43bac92f\">\n<h1 id=\"approach-4-two-pointers-approach\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:2.3912195121951223% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.695793em;line-height:0.9;text-align:center;padding:0.975609756097561% 1.951219512195122%;color:#000000\"><span><span style=\"font-weight: 700; color: #3372e0\">Approach 4: Two Pointers Approach<\/span><\/span><\/h1>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\" cta-image=\"https:\/\/www.interviewbit.com\/blog\/wp-content\/uploads\/2021\/10\/18-Trapping-Rain-Water.jpg\"><a href=\"https:\/\/www.interviewbit.com\/blog\/trapping-rain-water\/?utm_source=Ib&amp;utm_medium=webstories&amp;utm_campaign=4-methods-to-solve-trapping-rain-water\" rel=\"\">Click here<\/a><\/amp-story-page-outlink><\/amp-story-page><amp-story-page id=\"fbe1d0e7-ebfc-4cb9-a2d6-4c768a17e657\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-1a2d484a-2380-4ce8-9953-14a9b13c7acc\",\"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 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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:0.5681818181818182% 0.5681818181818182% 0.5681818181818182% 0.5681818181818182% \/ 0.904977375565611% 0.904977375565611% 0.904977375565611% 0.904977375565611%\" id=\"el-a5f0bf5a-94ec-401c-9ab0-5f81739f1218\">\n<h2 id=\"from-where-you-can-download-data-science-projects-for-free1-kaggle-2-google-3-github\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.5170454545454544% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.485437em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"color: #fff\">From where you can download data science projects for free?<\/span><\/p>\n<p><span style=\"color: #fff\">1. Kaggle&nbsp;<\/span><br \/>\n<span style=\"color: #fff\">2. Google&nbsp;<\/span><br \/>\n<span style=\"color: #fff\">3. 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0)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5586592178770949% 0.5586592178770949% 0.5586592178770949% 0.5586592178770949% \/ 1.9801980198019802% 1.9801980198019802% 1.9801980198019802% 1.9801980198019802%\" id=\"el-faf98ac9-3bde-42ce-ba57-b4ed553c9aaf\">\n<h2 id=\"learn-how-to-successfully-tackle-the-trapping-raining-water-problem\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.4916201117318435% 0;font-family:&quot;Darker Grotesque&quot;,sans-serif;font-size:0.485437em;line-height:1;text-align:left;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #347eff\">Learn how to successfully tackle the Trapping raining water problem.<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:5.09709%;top:38.34951%;width:72.81553%;height:29.61165%;opacity:1\">\n<div id=\"anim-e6010e3a-d4ab-4b77-94c2-99f7e6f30f10\" 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-1308b0a3-9408-4d07-ae3e-63f3c2447e73\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:translate3d(0px, -260.77716%, 0)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.6666666666666667% 0.6666666666666667% 0.6666666666666667% 0.6666666666666667% \/ 1.092896174863388% 1.092896174863388% 1.092896174863388% 1.092896174863388%\" id=\"el-6bcfeeb7-4083-4a82-a8c2-5231fcf41193\">\n<h2 id=\"are-you-ready-to-level-up-your-coding-skills\" class=\"fill text-wrapper\" 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style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-5192ddd6-dc5d-4b86-9b57-65baff51e0a1\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:translate3d(0px, -211.49618%, 0)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" id=\"el-4a501d26-7978-408e-a405-3aa09dd9488d\">\n<p class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:1.7719780219780208% 0;font-family:&quot;Poppins&quot;,sans-serif;font-size:0.695793em;line-height:1.1;text-align:initial;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">Step Up Your Game with InterviewBit Web Stories<\/span><\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:7.28155%;top:59.87055%;width:82.52427%;height:13.26861%;opacity:1\">\n<div id=\"anim-fecc862e-a375-494c-8274-56d09a575431\" 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-7409fdd2-0b00-4568-ba7f-b168cdeb123e\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:translate3d(0px, -621.00265%, 0)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.5882352941176471% 0.5882352941176471% 0.5882352941176471% 0.5882352941176471% \/ 2.4390243902439024% 2.4390243902439024% 2.4390243902439024% 2.4390243902439024%\" id=\"el-059b3c60-05fd-4f35-a8b6-7e0f46822ae8\">\n<h3 id=\"dont-miss-out-on-the-chance-to-upskill-yourself-with-intervewbits-engaging-web-stories\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.09512867647058793% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.372168em;line-height:1.2;text-align:left;padding:0;color:#000000\"><span><span style=\"color: #fff\">Don&#8217;t miss out on the chance to upskill yourself with IntervewBit&#8217;s engaging web stories.&nbsp;<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:4.85437%;top:4.36893%;width:19.66019%;height:45.79288%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" id=\"el-e0a006e6-161a-41fd-bd99-ad9adeb2d6a5\">\n<h1 id=\"\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:49.876543209876516% 0;font-family:&quot;Poppins&quot;,sans-serif;font-size:3.268608em;line-height:1;text-align:initial;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #fff\">\u201c<\/span><\/span><\/h1>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-page-outlink layout=\"nodisplay\"><a href=\"https:\/\/www.interviewbit.com\/blog\/web-stories\/?utm_source=Ib&amp;utm_medium=webstories&amp;utm_campaign=unlimited-learning-with-engaging-web-stories\" rel=\"\">SWIPE UP<\/a><\/amp-story-page-outlink><\/amp-story-page><\/amp-story><\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"In this web story, we will demonstrate how to solve the trapping rain water problem and how to put it into practise with 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