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Learn Tech Skills from Scratch @ Scaler EDGE

Level 5

Backtracking

Important tutorials

1. Recursion Basics Using Factorial
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2. Complexity Analysis Of Recursive Programs
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3. Why Recursion Is Not Always Good
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4. Time Complexity Analysis Of Recursion
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5. Space Complexity Analysis Of Recursion
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6. Backtracking
View Tutorial
7. Backtracking Pseudocode
View Tutorial

Backtracking Problems

Maths and backtracking
Problem Score Companies Time Status
Maximal String 200
44:25
Gray Code 350
57:11
Kth Permutation Sequence 350 71:46
Subsets
Problem Score Companies Time Status
Subset 250 61:53
Combinations 300 45:48
Combination Sum 300 61:28
Combination Sum II 300 40:50
Subsets II 300 39:57
Bruteforce builder
Problem Score Companies Time Status
Letter Phone 250 53:09
Palindrome Partitioning 300 66:41
Generate all Parentheses II 350
51:47
Permutations
Problem Score Companies Time Status
Permutations 350 39:29
Game solving
Problem Score Companies Time Status
NQueens 550 73:09
Sudoku 700 66:50