Level 5

Backtracking

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
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7. Backtracking Pseudocode
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Backtracking Problems

Subsets
Problem Score Companies Time Status
Subset 250 55:08
Combinations 300 40:06
Combination Sum 300 53:38
Combination Sum II 300 35:50
Subsets II 300 34:41
Bruteforce builder
Problem Score Companies Time Status
Letter Phone 250 47:42
Palindrome Partitioning 300 58:43
Generate all Parentheses II 350
45:30
Pruned builder
Problem Score Companies Time Status
Palindrome Partitioning 300 58:43
Generate all Parentheses II 350
45:30
NQueens 550 64:32
Sudoku 700 56:10
Permutations
Problem Score Companies Time Status
Permutations 350 35:24
Maths and backtracking
Problem Score Companies Time Status
Gray Code 350
50:49
Kth Permutation Sequence 350 68:36
Game solving
Problem Score Companies Time Status
NQueens 550 64:32
Sudoku 700 56:10