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Complexity analysis of recursive programs

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Backtracking Problems

Maths and backtracking
Problem Score Companies Time Status
Maximal String 200
62:53
Kth Permutation Sequence 350 78:06
Gray Code 350
58:37
Subsets
Problem Score Companies Time Status
Subset 250 61:56
Combination Sum 300 62:41
Combination Sum II 300 41:57
Combinations 300 46:09
Subsets II 300 41:13
Bruteforce builder
Problem Score Companies Time Status
Letter Phone 250 53:36
Palindrome Partitioning 300 68:07
Generate all Parentheses II 350
52:54
Permutations
Problem Score Companies Time Status
Permutations 350 39:38
Game solving
Problem Score Companies Time Status
NQueens 550 74:37
Sudoku 700 70:09

Additional Practice

Problem Score Companies Time Status
All Possible Combinations 200 23:41
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