标签： leetcode

Given a set of distinct integers, nums, return all poss…

Given two integers n and k, return all possible combina…

Write an efficient algorithm that searches for a value …

Given a m x n matrix, if an element is 0, set its entir…

The set [1,2,3,…,n] contains a total of n! unique per…

Suppose an array sorted in ascending order is rotated a…

Given an array with n objects colored red, white or blu…

Given a 2D board and a word, find if the word exists in…