16. 3Sum Closest 题目 Given an array S of n integers, find three integers in S such that the sum is closest to a…

欢迎fork and star：Nowcoder-Repository-github 112. Path Sum 题目 Given a binary tree and a sum, determine if the tr…

LeetCode — 89. Gray Code 题目 The gray code is a binary numeral system where two successive values differ …

69. Sqrt(x) 题目 Implement int sqrt(int x). Compute and return the square root of x. x is guaranteed to be a non…

题目： Follow up for “Unique Paths”: Now consider if some obstacles are added to the grids. How many …

Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to com…

Given a 2D binary matrix filled with 0’s and 1’s, find the largest square containing only 1’…

  We had some 2-dimensional coordinates, like "(1, 3)" or "(2, 0.5)".  Then, we remov…

1. 题目 Given an array of integers, return indices of the two numbers such that they add up to a specific target…

  Given a list, rotate the list to the right by k places, where k is non-negative. Fo…

  Suppose you are at a party with n people (labeled from 0 to n - 1) and among t…

  You have n super washing machines on a line. Initially, each washing machine has some dresses…