link 求和比大小... /** @Date : 2017-03-23-21.26 * @Author : Lweleth (SoungEarlf@gmail.com) * @Link : https://github.com/ * @Version : */ #include<bits/stdc++.h> #define LL long long #define PII pair #define MP(x, y) make_pair((x),(y)) #define fi first #d…

Description A boolean matrix has the parity property when each row and each column has an even sum, i.e. contains an even number of bits which are set. Here's a 4 x 4 matrix which has the parity property: 1 0 1 0 0 0 0 0 1 1 1 1 0 1 0 1 The sums of t…

D. Duff in Beach Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 无 Description Master Mind KongMing gave Fei Zhang a secrete master plan stashed in a pocket. The plan instructs how to deploy soldiers on the four corners of the city wall. Unfortunately, w…

We Love MOE Girls Time Limit: 1000/500 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 208    Accepted Submission(s): 157 Problem Description Chikami Nanako is a girl living in many different parallel worlds. In this…

一丢丢思维就ok 题目大意: 魔法师要煮药,有n个等级的药,所需要的药物为a1,a2...an,意为第n级需要多少药物,下一行为库存的不同等级药物,药物可降级使用不可升级. 思路:从高级药物开始解,把没用完的药物存起来放到下一及使用. 代码如下: #include <iostream> #include <string.h> using namespace std; ],b[],all,flag(); long long sum; int main(){ cin>>t;…

题目链接:https://codeforces.com/contest/1090/problem/A A conglomerate consists of n companies. To make managing easier, their owners have decided to merge all companies into one. By law, it is only possible to merge two companies, so the owners plan to s…

题目链接:https://codeforces.com/contest/1090/problem/M There are n houses along the road where Anya lives, each one is painted in one of k possible colors. Anya likes walking along this road, but she doesn't like when two adjacent houses at the road have…

http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=586 题目大意: QS是一种生物,要完成通信,需要设备,每个QS需要的设备的价格不同,并且,这种设备只能在两个QS之间用一次,也就是说,如果一个QS需要和3个QS通信的话,它就必须得买3个设备,同时,对方三个也必须买对应的适合自己的设备.同时,每两个QS之间是有距离的,要完成通信还需要网线,给出每两个QS之间的网线的价值.求一棵生成树,使得所需要的费用最少.数据范围:所有数据都…

题目传送门 /* 水题:找排序找中间的价格,若有两个,选价格大的: 写的是有点搓:) */ #include <cstdio> #include <iostream> #include <algorithm> #include <cmath> #include <cstring> #include <string> #include <map> #include <set> #include <queue…

题目传送门 /* 水题:已知1928年1月1日是星期日,若是闰年加1,总天数对7取余判断就好了: */ #include <cstdio> #include <iostream> #include <algorithm> #include <cmath> #include <cstring> #include <string> #include <map> #include <set> #include <…