DescriptionFJ is surveying his herd to find the most average cow. He wants to know how much milk this 'median' cow gives: half of the cows give as muc...
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其他好文 时间：
2014-11-07 16:33:31
阅读次数：
170
I got this warning when I tried to get destination using CLGeoCoder and the warning is coming out from this method-(void)geocodeAddressString:(NSStrin...
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其他好文 时间：
2014-11-07 12:42:24
阅读次数：
141
Face The Right Way
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 2721
Accepted: 1246
Description
Farmer John has arranged his N (1 ≤ N ≤ 5,000) cows in...
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其他好文 时间：
2014-11-06 17:32:23
阅读次数：
212
Aggressive cows
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 6510
Accepted: 3263
Description
Farmer John has built a new long barn, with N (2
His ...
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其他好文 时间：
2014-11-06 13:08:13
阅读次数：
150
DescriptionFarmer John'sN(1 ≤N≤ 10,000) cows are lined up to be milked in the evening. Each cow has a unique "grumpiness" level in the range 1...100,0...
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其他好文 时间：
2014-11-05 16:53:49
阅读次数：
204
Speed Reading
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 8431
Accepted: 3935
Description
All K (1 ≤ K ≤ 1,000) of the cows are participating in Farm...
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其他好文 时间：
2014-11-05 14:54:21
阅读次数：
171
The Cow LexiconTime Limit:2000MSMemory Limit:65536KTotal Submissions:7909Accepted:3711DescriptionFew know that the cows have their own dictionary with...
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其他好文 时间：
2014-11-05 12:40:48
阅读次数：
170
Layout
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 7468
Accepted: 3581
Description
Like everyone else, cows like to stand close to their friends when...
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其他好文 时间：
2014-11-05 09:20:39
阅读次数：
156
题目1672: [Usaco2005 Dec]Cleaning Shifts 清理牛棚Time Limit:5 SecMemory Limit:64 MBDescriptionFarmer John's cows, pampered since birth, have reached new hei...
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其他好文 时间：
2014-11-04 22:35:54
阅读次数：
332
题目：poj 2186 Popular Cows
题意：n头牛，其中存在一些牛相互崇拜，具有传递性，问有多少头牛是被其他所有牛崇拜的。
分析：建立一个有向图，然后强连通缩点，之后求出度为0的点，假如存在多个，那么ans = 0，因为缩点之后如果x崇拜y，x也崇拜z，那么肯定y和z不能互相崇拜，不满足。
然后求出度为0的这个点缩点前环上有多少个点就ans
AC代码：
...
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其他好文 时间：
2014-11-04 19:44:59
阅读次数：
236
