题目: TEX is a typesetting language developed by Donald Knuth. It takes source text together with a few typesetting instructions and produces, one hopes, a beautiful document. Beautiful documents use " and " to delimit quotations, rather than the…

A - TEX Quotes Time Limit:3000MS    Memory Limit:0KB    64bit IO Format:%lld & %llu Submitcid=80136#status//A/0">StatusPracticeUVA 272 Appoint description: Description TeX is a typesetting language developed by Donald Knuth. It takes source te…

在TeX中,左双引号是“``”,右双引号是“''”.输入一篇包含双引号的文章,你的任务是 把它转换成TeX的格式. 样例输入: "To be or not to be," quoth the Bard, "that is the question". 样例输出: ``To be or not to be,'' quoth the Bard, ``that is the question''. 本题的关键有两个:输入字符串和判断左右括号. 1.输入字符串. 之前学习了…

在TeX中,左双引号是“``”,右双引号是“''”.输入一篇包含双引号的文章,你的任务是把它转换成TeX的格式. 样例输入: "To be or not to be,"quoth the Bard,"that is the question". 样例输出: ``To be or not to be,''quoth the Bard,``that is the question''.…

[链接] 我是链接,点我呀:) [题意] 在这里输入题意 [题解] 大水题. 用一个int记录遇到的是左括号还是右括号. [错的次数] 在这里输入错的次数 [反思] 在这里输入反思 [代码] #include <bits/stdc++.h> using namespace std; char key; int main() { //freopen("F:\\rush.txt", "r", stdin); int flag = 1; while ((key…

题目:(由于UVa注册不了,还是用vjudge) https://vjudge.net/problem/UVA-1586 详细说明放在了注释里面.原创. 破题点在于对于一个元素的组合(元素+个数),只有3种可能: 1.单个元素 2.一个元素和一位数字 3.一个元素和两位数字 没有了.因为题设交代了n<=99,表明个数只能为2位数.分别判断即可. /* Copyright 2019 AlexanderZ.Tang Molar_mass.cpp For UVa 1586 https://cnblog…

题目: A common typing error is to place the hands on the keyboard one row to the right of the correct position. So 'Q' is typed as 'W' and 'J' is typed as 'K' and so on. You are to decode a message typed in this manner. Input Input consists of several…

UVa 1627 Team them up! 题目: Team them up! Time Limit: 3000MS   Memory Limit: Unknown   64bit IO Format: %lld & %llu Submit Status Description   Your task is to divide a number of persons into two teams, in such a way, that: everyone belongs to one of…

UVa 1628 Pizza Delivery 题目: http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=51189 思路:   本体与修缮长城一题有所相似.所以解法有相似之处. 不同之处就是本体可能会产生负情况,即送餐时间晚了客户会反过来找你要钱所以需要放弃,但修缮长城只有费用,顺手修了肯定是一个不错的选择. 依旧将区间两端与位置作为状态不过要添加一维cnt表示还需要送餐的人数.类似地定义:d[i][j][cnt][p]表示…

 UVa 1380 A Scheduling Problem 题目: http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=41557 思路:   给出一个任务调度树,单向边u->v表示u必须在v之前完成,双向边u-v表示无所谓方向. 题目给出定理,首先dfs求得忽略无向边后的最长链点数k,那么问题就是判断是否可以通过无向边定向从而使得最长链点数不超过k.用dp的判断. 设f[i]表示以i为根的子树中所有的边定向后最长链点数不超过…