Description Bessie is leading the cows in an attempt to escape! To do this, the cows are sending secret binary messages to each other. Ever the clever ...
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其他好文 时间:
2017-10-08 22:33:01
阅读次数:
235
Description Farmer John went to cut some wood and left N (2 <= N <= 100,000) cows eating the grass, as usual. When he returned, he found to his horror ...
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其他好文 时间:
2017-10-08 15:33:30
阅读次数:
194
Kosaraju算法 详见《挑战程序设计竞赛》p320 模板: 例题1:POJ 2186 Popular Cows 代码: #include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<cmath ...
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编程语言 时间:
2017-10-08 14:48:21
阅读次数:
241
For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decides to organize a game of Ultim ...
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其他好文 时间:
2017-10-07 21:21:12
阅读次数:
207
2591: [Usaco 2012 Feb]Nearby Cows Description Farmer John has noticed that his cows often move between nearby fields. Taking this into account, he wan ...
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其他好文 时间:
2017-10-07 20:38:34
阅读次数:
202
题目描述 Bessie is planning the annual Great Cow Gathering for cows all across the country and, of course, she would like to choose the most convenient lo ...
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其他好文 时间:
2017-10-06 21:58:27
阅读次数:
243
题目链接:http://www.lydsy.com/JudgeOnline/problem.php?id=3016 题意: 给你一个括号序列,问你至少修改多少个括号,才能使这个括号序列合法。 题解: 贪心。 cnt表示当前已经攒了多少个左括号。 从左往右枚举每一个括号: (1)如果为左括号,则cnt ...
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其他好文 时间:
2017-10-06 18:10:24
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180
题目描述 Although Farmer John has no problems walking around the fair to collect prizes or see the shows, his cows are not in such good shape; a full day ...
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其他好文 时间:
2017-10-06 12:59:47
阅读次数:
152
题目链接:http://poj.org/problem?id=3186 Treats for the Cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6548 Accepted: 3446 Description FJ ...
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其他好文 时间:
2017-10-06 12:30:32
阅读次数:
197
POJ 3621 - Sightseeing Cows 找到一个圈,要求这个圈的点权和/边权和在所有的圈中最大,输出这个比率 设最大比率为ans ,∑V/∑E为一般的圈的比率k 最大的圈的k,即ans,>=所有的圈的k 即ans>=∑V/∑E 变形:∑(ans*E-V) > 0 图中边权改为ans* ...
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其他好文 时间:
2017-10-03 17:48:52
阅读次数:
200