Boostable

摘要： LeetCode: Sort ColorsGiven an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colo... 阅读全文

摘要： LeetCode: Minimum Window SubstringGiven a string S and a string T, find the minimum window in S which will contain all the characters in T in complexi... 阅读全文

摘要： LeetCode: CombinationsGiven two integers n and k, return all possible combinations of k numbers out of 1 ... n. For example,If n = 4 and k = 2, a solu... 阅读全文

摘要： LeetCode: Word SearchGiven a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacen... 阅读全文