链接:https://www.nowcoder.com/acm/contest/104/C来源:牛客网 The Sparrow is for trial, at next bird assizes,we should select a connected subgraph from the whole tree of sparrows as trial objects. Because the relationship between sparrows is too complex, so we…

如下图这是“今日头条杯”首届湖北省大学程序设计竞赛的第一题,作为赛后补题 题目描述:链接点此 这套题的github地址(里面包含了数据,题解,现场排名):点此 Let  be a regualr triangle, and D is a point in the triangle. Given the angle of . Then let AD, CD and BD form a new triangle, what is the size of the three angles? 输入描述:…

题目描述:链接点此 这套题的github地址(里面包含了数据,题解,现场排名):点此 题目描述 由于系统限制,C题无法在此评测,此题为现场赛的D题 Who killed Cock Robin? I, said the Sparrow, With my bow and arrow,I killed Cock Robin. Who saw him die? I, said the Fly.With my little eye,I saw him die. Who caught his blood?…

题目链接:点这 github链接:(包含数据和代码,题解):点这 链接:https://www.nowcoder.com/acm/contest/104/E来源:牛客网 题目描述 (受限于评测机,此题数据范围与现场赛不一致,请谅解) Once upon a time, there was a beautiful princess named TQM, and a handsome prince named GSS. One day, the prince would like to visit…

题目描述:链接点此 这套题的github地址(里面包含了数据,题解,现场排名):点此 链接:https://www.nowcoder.com/acm/contest/104/D来源:牛客网 题目描述 Do you remember Kanna-chan we met last year? She is so cute, and this year, she entered middle school, with Cirno. As we know, Cirno is bad at math, s…

题目描述:链接点此 这套题的github地址(里面包含了数据,题解,现场排名):点此 链接:https://www.nowcoder.com/acm/contest/104/H来源:牛客网 题目描述 Mingming, a cute girl of ACM/ICPC team of Wuhan University, is alone since graduate from high school. Last year, she used a program to match boys and…

题目描述:链接点此 这套题的github地址(里面包含了数据,题解,现场排名):点此 题目描述 Given n positive integers , your task is to calculate the product of these integers, The answer is less than 输入描述: The first line of input is an integer n, the i-th of the following n lines contains the…

Who killed Cock Robin? I, said the Sparrow, With my bow and arrow,I killed Cock Robin. Who saw him die? I, said the Fly.With my little eye,I saw him die. Who caught his blood? I, said the Fish,With my little dish,I caught his blood. Who'll make his s…

链接:https://www.nowcoder.com/acm/contest/89/A 来源:牛客网 1.题目描述 The Great Wall story of Meng Jiangnv’s Bitter Weeping happened during the Qin Dynasty (221BC- 206BC). Meng jiangnv was a beauty in the Qin Dynasty, and she lived happily with her husband. At…

..拿金了 没给学校丢脸 A ....SB题啊 比赛的时候都没看 裸的一个bitset前缀和 先开一个1e4*1e4的二维bitset数组 初始第i个数组的值为1 << i (即B[i]=1 B[i]<<=i) 很容易我们可以知道要单独翻转某一位而不去影响其他位的话 方法是唯一的 然后我们从可以后往前DP 就可以知道要单独翻转某一位的话需要翻转那些位 最后的每次翻转过后的答案就是   上一个答案^PreL-1 ^PreR 注意用cout的话容易System Error......(…