摘要： 题目链接：https://vjudge.net/problem/UVA-401 题意：判断是否为镜像串和倒序串 题解：分别判断即可：倒叙串逆序判断是否相等 镜像串列出两个字符串判断是否相等 注意：1.注意输出格式，每一个输出后有一个空格 2.判断镜像串满足条件有两个：一是是否在该字符串中，二是是否相 阅读全文

摘要： common typing error is to place thehands on the keyboard one row to theright of the correct position. So `Q' istyped as `W' and `J' is typed as `K' an 阅读全文

摘要： 题目：TEX is a typesetting language developed by Donald Knuth. It takes source text together with a fewtypesetting instructions and produces, one hopes, 阅读全文