bigpotato

摘要： Given four lists A, B, C, D of integer values, compute how many tuples (i, j, k, l) there are such that A[i] + B[j] + C[k] + D[l] is zero. To make pro 阅读全文

摘要： Given an array nums of n integers and an integer target, are there elements a, b, c, and d in nums such that a + b + c + d = target? Find all unique q 阅读全文

摘要： Given an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. Return the sum of the thr 阅读全文

摘要： Given an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all unique triplets in the array which gives the s 阅读全文

摘要： Given a string, find the length of the longest substring without repeating characters. Example 1: Input: "abcabcbb" Output: 3 Explanation: The answer 阅读全文

摘要： Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have ex 阅读全文

摘要： server client: 阅读全文

摘要： 1.配置用户名和邮箱 git config --global user.name "xxx" git config --global user.email "xxx@xx.com" 2.分支 查看远程分支 git branch -a 查看本地分支 git branch 查看本地分支关联的远程分支 g 阅读全文

摘要： Given a non-empty string containing an out-of-order English representation of digits 0-9, output the digits in ascending order. Note: Input contains o 阅读全文

摘要： Given two non-negative integers num1 and num2 represented as string, return the sum of num1 and num2. Note: The length of both num1 and num2 is < 5100 阅读全文