TongTong Shi's Blog
A Playground to Share My Knowledge
Letter Case Permutation Letter Case Permutation
LeetCode Q 784 - Letter Case PermutationGiven a string S, we can transform every letter individually to be lowercase or
2019-04-29 Tong Shi
LeetCode BFS DFS Backtracking Permutation
Permutations II Permutations II
LeetCode Q 47 - Permutations IIGiven a collection of numbers that might contain duplicates, return all possible unique p
2019-04-28 Tong Shi
LeetCode Backtracking Permutation
Permutations Permutations
LeetCode Q 46 - PermutationsGiven a collection of distinct integers, return all possible permutations. Example:Input: [1
2019-04-28 Tong Shi
LeetCode Backtracking Permutation
Subsets II Subsets II
LeetCode Q 78 - Subsets IIGiven a collection of integers that might contain duplicates, nums, return all possible subset
2019-04-28 Tong Shi
LeetCode Backtracking Combination
Subsets Subsets
LeetCode Q 78 - SubsetsGiven a set of distinct integers, nums, return all possible subsets (the power set).Note: The sol
2019-04-28 Tong Shi
LeetCode Backtracking Combination
Combination Sum III Combination Sum III
LeetCode Q 216 - Combination Sum IIIFind all possible combinations of k numbers that add up to a number n, given that on
2019-04-28 Tong Shi
LeetCode Backtracking Combination
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