1719: [Usaco2006 Jan] Roping the Field 麦田巨画 Time Limit: 5 Sec Memory Limit: 64 MBSubmit: 82 Solved: 26[Submit][Status][Discuss] Description Farmer John is quite the nature artist: he often constructs large works of art on his farm. Today, FJ wants…
1654: [Usaco2006 Jan]The Cow Prom 奶牛舞会 Time Limit: 5 Sec Memory Limit: 64 MB Description The N (2 <= N <= 10,000) cows are so excited: it's prom night! They are dressed in their finest gowns, complete with corsages and new shoes. They know that ton…
[BZOJ 1652][USACO 06FEB]Treats for the Cows Description FJ has purchased N (1 <= N <= 2000) yummy treats for the cows who get money for giving vast amounts of milk. FJ sells one treat per day and wants to maximize the money he receives over a given…
http://www.lydsy.com/JudgeOnline/problem.php?id=1720 Time Limit: 5 Sec Memory Limit: 64 MBSubmit: 177 Solved: 90[Submit][Status][Discuss] Description Farmer John wishes to build a corral for his cows. Being finicky beasts, they demand that the corr…
Description The pasture contains a small, contiguous grove of trees that has no 'holes' in the middle of the it. Bessie wonders: how far is it to walk around that grove and get back to my starting position? She's just sure there is a way to do it by…
Description The N (2 <= N <= 10,000) cows are so excited: it's prom night! They are dressed in their finest gowns, complete with corsages and new shoes. They know that tonight they will each try to perform the Round Dance. Only cows can perform the…
几乎是板子,求有几个size>1的scc 直接tarjan即可 #include<iostream> #include<cstdio> #include<cstring> using namespace std; const int N=10005; int n,m,h[N],cnt,ans,tmp,dfn[N],low[N],s[N],top; bool v[N]; struct qwe { int ne,to; }e[N*10]; int read() { i…
