题目链接:http://poj.org/problem?id=2186 题目大意: 每一头牛的愿望就是变成一头最受欢迎的牛。现在有N头牛,给你M对整数(A,B),表示牛A认为牛B受欢迎。 这 种关系是具有传递性的,如果A认为B受欢迎,B认为C受欢迎,那么牛A也认为牛C受欢迎。你的任务是求出有多少头 ...
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移动开发 时间:
2018-03-24 00:43:52
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212
Description Oh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked over some precise time interval A..B (1 <= A ...
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其他好文 时间:
2018-03-22 12:39:55
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138
树状数组 + 倍增 动态维护第k大 注意倍增是 include include include include using namespace std; const int MAXN = 100005; int n, c[MAXN], lg[MAXN], po[MAXN], sum, ans, nu ...
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其他好文 时间:
2018-03-20 21:46:32
阅读次数:
211
P1535 游荡的奶牛 P1535 游荡的奶牛 P1535 游荡的奶牛 题目描述 Searching for the very best grass, the cows are travelling about the pasture which is represented as a grid w ...
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其他好文 时间:
2018-03-18 16:22:26
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146
洛谷 P2888 [USACO07NOV]牛栏Cow Hurdles 题目描述 Farmer John wants the cows to prepare for the county jumping competition, so Bessie and the gang are practicin ...
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其他好文 时间:
2018-03-17 12:22:42
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174
Ombrophobic Bovines Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 20459 Accepted: 4403 Description FJ's cows really hate getting wet so m ...
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其他好文 时间:
2018-03-17 10:53:27
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180
Each of Farmer John's N cows (1 ≤ N ≤ 1,000) produces milk at a different positive rate, and FJ would like to order his cows according to these rates ...
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其他好文 时间:
2018-03-10 16:10:30
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192
题目描述:牛喝水 The cows have a line of 20 water bowls from which they drink. The bowls can be either right-side-up (properly oriented to serve refreshing co ...
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其他好文 时间:
2018-03-10 11:55:42
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186
题目描述 Every year in Wisconsin the cows celebrate the USA autumn holiday of Halloween by dressing up in costumes and collecting candy that Farmer John l ...
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其他好文 时间:
2018-03-07 21:44:44
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171
Description Farmer John's farm consists of a long row of N (1 <= N <= 100,000)fields. Each field contains a certain number of cows, 1 <= ncows <= 2000 ...
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其他好文 时间:
2018-03-06 21:54:15
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258