摘要：
题目描述:(链接）You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?解题思路：先将矩阵选... 阅读全文
摘要：
题目描述:（链接）Given apatternand a stringstr, find ifstrfollows the same pattern.Herefollowmeans a full match, such that there is a bijection between a lett... 阅读全文
摘要：
题目描述:(链接)Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after r... 阅读全文