摘要： Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. Example 1: Example 2: 阅读全文

摘要： Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximu 阅读全文

摘要： Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximu 阅读全文

摘要： Given an integer array nums, find the contiguous subarray (containing at least one number) which has the largest sum and return its sum. Example: Inpu 阅读全文

摘要： 昨天花了几个小时的时间把Go的语法过了一遍，发现Go语言的语法核心和大部分编程语言的规则还是挺相近的，差别的就是不同的书写规范。还有就是前天安装VScode编译器那个插件把人弄得恶心了，总是安装不成功，找了各种办法(包括FQ)还是没能解决。最后也没有过于执着的继续弄了。大概记录以下基础语法部分。 程 阅读全文

摘要： Given an array of strings, group anagrams together. Example: Note: All inputs will be in lowercase. The order of your output does not matter 思路 这道题在一开 阅读全文

摘要： You are given an n x n 2D matrix representing an image.Rotate the image by 90 degrees (clockwise). Note:You have to rotate the image in-place, which m 阅读全文

摘要： Given a collection of distinct integers, return all possible permutations. Example: 阅读全文

摘要： Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining. 阅读全文

摘要： Given two non-negative integers num1 and num2 represented as strings, return the product of num1 and num2, also represented as a string. Example 1: Ex 阅读全文