思路: 题目链接http://poj.openjudge.cn/practice/C18D/ kruskal过程中使用乘法原理计数. 实现: #include <bits/stdc++.h> using namespace std; typedef long long ll; , INF = 0x3f3f3f3f; ; string s[MAXN]; int d[MAXN][MAXN]; int par[MAXN]; ll num[MAXN]; struct edge { int a, b,…

Big Chocolate 题目链接:http://acm.hust.edu.cn/vjudge/problem/visitOriginUrl.action?id=19127 Big Chocolate Mohammad has recently visited Switzerland . As he loves his friends very much, he decided to buy some chocolate for them, but as this fine chocolate…

Dividing a Chocolate zoj 2705 递推,找规律的题目: 具体思路见:http://blog.csdn.net/u010770930/article/details/9769333 #include <stdio.h> #include <iostream> using namespace std; ]; int main() { int i,j,maxx; long long m,n; a[]=; a[]=; while(~scanf("%lld…

多校综合排名前25名的学校请发送邮件到HDUACM@QQ.COM,告知转账信息(支付宝或者卡号) Divide Chocolate Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1757    Accepted Submission(s): 827 Problem Description It is well known that cl…

B. Chocolate 题目连接: http://www.codeforces.com/contest/617/problem/D Descriptionww.co Bob loves everything sweet. His favorite chocolate bar consists of pieces, each piece may contain a nut. Bob wants to break the bar of chocolate into multiple pieces…

C. Case of Chocolate Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/555/problem/C Description Andrewid the Android is a galaxy-known detective. Now he does not investigate any case and is eating chocolate out of boredom. A…

题目链接: C. Joty and Chocolate time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Joty has got a task to do. She has a line of n tiles indexed from 1 to n. She has to paint them in a stran…

Mike and Chocolate Thieves 题目链接: http://acm.hust.edu.cn/vjudge/contest/121333#problem/G Description Bad news came to Mike's village, some thieves stole a bunch of chocolates from the local factory! Horrible! Aside from loving sweet things, thieves fr…

E. Chocolate Bar Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/598/problem/E Description You have a rectangular chocolate bar consisting of n × m single squares. You want to eat exactly k squares, so you may need to break…

UVAlive 4794 Sharing Chocolate 题目: http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=12055 思路:   设d[S][r][c]表示形如r*c的矩形是否可以划分为S中的子集,10表示可否. 转移方程: d[S][r][c] = d[S0][r0][c] || d[S0][r][c0]  优化:    首先注意到S r c三者知二求一,所以将状态优化为d[S][x]表示有短边x的矩形是否可以…