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…
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…
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…
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…
Mine Number 题目:http://acm.sdut.edu.cn/sdutoj/problem.php? action=showproblem&problemid=2410 Time Limit: 1000ms Memory limit: 65536K 有疑问?点这里^_^ 题目描写叙述 Every one once played the game called Mine Sweeping, here I change the rule. You are given an n*m ma…
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…