POJ 2296 Map Labeler / ZOJ 2493 Map Labeler / HIT 2369 Map Labeler / UVAlive 2973 Map Labeler(2-sat 二分) Description Map generation is a difficult task in cartography. A vital part of such task is automatic labeling of the cities in a map; where for e…
POJ 1860 Currency Exchange / ZOJ 1544 Currency Exchange (最短路径相关,spfa求环) Description Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and performs exchange operations onl…
http://poj.org/problem?id=1384 Piggy-Bank Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 7900 Accepted: 3813 Description Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income f…
poj 2096 题目:http://poj.org/problem?id=2096 f[ i ][ j ] 表示收集了 i 个 n 的那个. j 个 s 的那个的期望步数. #include<cstdio> #include<cstring> #include<algorithm> #define db double using namespace std; ; db n,s,f[N][N]; int main() { scanf("%lf%lf"…
链接:http://poj.org/problem?id=1384 Piggy-Bank Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 8893 Accepted: 4333 Description Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main incom…
传送门: http://acm.hdu.edu.cn/showproblem.php?pid=1384 Intervals Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4841 Accepted Submission(s): 1815 Problem Description You are given n closed, in…
Piggy-Bank Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 10830 Accepted: 5275 Description Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action comes from…
求猜存钱罐中至少有多少钱.容易知道金币总的重量,接着背包. #include<cstdio> #include<iostream> using namespace std; #define N 10010 #define M 100000000 int dp[N]; ],we[]; int main() { int t; scanf("%d",&t); while(t--) { int em,fu; scanf("%d%d",&…
所谓的全然背包,就是说物品没有限制数量的. 怎么起个这么intimidating(吓人)的名字? 事实上和一般01背包没多少差别,只是数量能够无穷大,那么就能够利用一个物品累加到总容量结尾就能够了. 本题要求装满的,故此添加个限制就能够了. #include <stdio.h> #include <stdlib.h> #include <string.h> inline int min(int a, int b) { return a < b? a : b; }…
Description Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action comes from Irreversibly Bound Money (IBM). The idea behind is simple. Whenever some ACM member has any sma…
Power Network Time Limit: 2000MS Memory Limit: 32768K Total Submissions: 25108 Accepted: 13077 Description A power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A node u may be supplied…
Description Before ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action comes from Irreversibly Bound Money (IBM). The idea behind is simple. Whenever some ACM member has any sma…