Vis
Code
Backtracking
Explore choices, undo, and try the next.
79.
Word Search
Medium
39.
Combination Sum
Medium
46.
Permutations
Medium
78.
Subsets
Medium
17.
Letter Combinations of a Phone Number
Medium
22.
Generate Parentheses
Medium
212.
Word Search II
Hard
90.
Subsets II
Medium
40.
Combination Sum II
Medium
131.
Palindrome Partitioning
Medium
51.
N-Queens
Hard
332.
Reconstruct Itinerary
Hard
494.
Target Sum
Medium