题目描述 The cows are so very silly about their dinner partners. They have organized themselves into three groups (conveniently numbered 1, 2, and 3) that ...
分类：
其他好文 时间：
2017-09-27 11:40:57
阅读次数：
174
【题意】给定n头牛和m对大小关系，求最坏情况下至少还需要比较几对奶牛的大小（在未确定顺序的奶牛对中随机比较） 【算法】floyd求传递闭包 【题解】可达说明大小已知，则不可达点对数量就是最少比较次数。 使用bitset优化传递闭包，复杂度O(n^3 /32)。 #include<cstdio> #i ...
分类：
其他好文 时间：
2017-09-27 10:11:46
阅读次数：
189
题目描述 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 ...
分类：
其他好文 时间：
2017-09-27 10:00:33
阅读次数：
124
P2962 [USACO09NOV]灯Lights P2962 [USACO09NOV]灯Lights P2962 [USACO09NOV]灯Lights 题目描述 Bessie and the cows were playing games in the barn, but the power w ...
分类：
其他好文 时间：
2017-09-24 21:00:21
阅读次数：
198
P1118 [USACO06FEB]数字三角形Backward Digit Su… 题目描述 FJ and his cows enjoy playing a mental game. They write down the numbers from 1 to N (1 <= N <= 10) in ...
分类：
其他好文 时间：
2017-09-24 19:14:28
阅读次数：
182
P3070 [USACO13JAN]岛游记Island Travels P3070 [USACO13JAN]岛游记Island Travels P3070 [USACO13JAN]岛游记Island Travels 题目描述 Farmer John has taken the cows to a v ...
分类：
其他好文 时间：
2017-09-24 15:20:53
阅读次数：
203
P2853 [USACO06DEC]牛的野餐Cow Picnic 题目描述 The cows are having a picnic! Each of Farmer John's K (1 ≤ K ≤ 100) cows is grazing in one of N (1 ≤ N ≤ 1,000) ...
分类：
其他好文 时间：
2017-09-23 23:21:29
阅读次数：
270
题目链接：http://poj.org/problem?id=3621 Sightseeing Cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10552 Accepted: 3613 Description Farme ...
分类：
其他好文 时间：
2017-09-23 16:17:32
阅读次数：
182
You are playing the following Bulls and Cows game with your friend: You write down a number and ask your friend to guess what the number is. Each time ...
分类：
其他好文 时间：
2017-09-22 12:07:53
阅读次数：
197
Description A group of cows grabbed a truck and ventured on an expedition deep into the jungle. Being rather poor drivers, the cows unfortunately mana ...
分类：
其他好文 时间：
2017-09-22 11:52:32
阅读次数：
200
