因为省赛,从开学紧张到5月7号.心思也几乎全放在ACM的训练上.因为我还是校台球协会的会长,所以台协还有一些事情需要忙,但是我都给延迟了.老会长一直在催我办校赛,但我一直说 等等吧,因为校赛只能在周六或周日举办,而我们的ACM组队集训也都在周六周日, 如果我去支持校赛的话,那么一整天的集训就浪费了.不止这样,前期的准备工作也挺耗时的.就这样,我到现在都还没举办校赛(打算定在5月14号,不过那天我得去清华参加一个ACM邀请赛,所以还是主持不了,得让副会长去主持了,因为这个比赛不能再推了,再下个周又…

题目描述:There are n cities in Byteland, and the ith city has a value ai. The cost of building a bidirectional road between two cities is the sum of their values. Please  calculate the minimum cost of connecting these cities, which means any two cities c…

传送门 E.sequence •题意 定义序列 p 中的 "good",只要 i 之前存在 pj < pi,那么,pi就是 "good": 求删除一个数,使得序列中 "good" 的个数最多: •题解 一个数 pi 对 "good" 的贡献有两个来源: ①pi 本身为"good",对答案的贡献为 1: ②删除 pi 后,i 之后的本来是 "good" 的数因为 pi 被删除而变成非…

题目 F : Four-tuples  输入 1 1 1 2 2 3 3 4 4 输出 1 题意 给l1, r1, l2, r2, l3, r3,  l4, r4​ , 八个数据, 要求输出在区间[l1, r1] ,  [l2, r2] , [l3, r3] ,  [l4, r4​] (记为A, B, C, D)范围内, 各取一个数(取作x1, x2, x3, x4), 并且x1 != x2, x2 != x3, x3 != x4, x4 != x1, 注意像x1 == x3是可以的 思路 容斥…

Alice and Bob Time Limit: 1000ms   Memory limit: 65536K 题目描述 Alice and Bob like playing games very much.Today, they introduce a new game. There is a polynomial like this: (a0*x^(2^0)+1) * (a1 * x^(2^1)+1)*.......*(an-1 * x^(2^(n-1))+1). Then Alice as…

点击打开链接 2226: Contest Print Server Time Limit: 1 Sec  Memory Limit: 128 MB Submit: 53  Solved: 18 [Submit][Status][Web Board] Description In ACM/ICPC on-site contests ,3 students share 1 computer,so you can print your source code any time. Here you ne…

2013年"浪潮杯"山东省第四届ACM大学生程序设计竞赛排名:http://acm.upc.edu.cn/ranklist/ 一.第J题坑爹大水题,模拟一下就行了 J:Contest Print Server [题解]: 题目大意:输入 n,s,x,y,mod  分别队伍数n,还有一个s生成函数 s=((s*x)+y)%mod,就是打印机根据要求打印纸张,打印到s时,打印机将重置,生成新的s [code]: #include <iostream> #include <…

n a^o7 ! 题目:http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2413 Time Limit: 1000MS Memory limit: 65536K 题目描写叙述 All brave and intelligent fighters, next you will step into a distinctive battleground which is full of sweet and h…

http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2877 题目描述 The problems called "Angry Birds" and "Angry Birds Again and Again" has been solved by many teams in the series of contest in 2011 Multi-University Tr…

Mountain Subsequences 题目描述 Coco is a beautiful ACMer girl living in a very beautiful mountain. There are many trees and flowers on the mountain, and there are many animals and birds also. Coco like the mountain so much that she now name some letter s…