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POJ 2481 Cows
题目链接:http://poj.org/problem?id=2481 解题思路:可以先尝试HDU 1541 Stars 。这道题相当于Stars的变形,只不过需要稍微思考。按E从大到小排序,E相同S从小到大对S E数组排序,使用一个一维BIT,初始为0,之后对于每一个[S, E]: ans[i] ...
分类:其他好文   时间:2017-08-05 06:44:01    阅读次数:130
Cow Bowling POJ - 3176
The cows don't use actual bowling balls when they go bowling. They each take a number (in the range 0..99), though, and line up in a standard bowling- ...
分类:其他好文   时间:2017-08-05 00:18:49    阅读次数:119
Apple Catching POJ - 2385
It is a little known fact that cows love apples. Farmer John has two apple trees (which are conveniently numbered 1 and 2) in his field, each full of ...
分类:移动开发   时间:2017-08-05 00:17:43    阅读次数:178
POJ3263 Tallest Cow
Tallest Cow Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 2368 Accepted: 1084 Description FJ's N (1 ≤ N ≤ 10,000) cows conveniently index ...
分类:其他好文   时间:2017-08-04 10:00:45    阅读次数:129
【图论】Popular Cows
[POJ2186]Popular Cows Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 34752 Accepted: 14155 Description Every cow's dream is to become the ...
分类:其他好文   时间:2017-08-03 22:07:28    阅读次数:173
强连通分量tarjan缩点——POJ2186 Popular Cows
这里的Tarjan是基于DFS,用于求有向图的强联通分量。 运用了一个点dfn时间戳和low的关系巧妙地判断出一个强联通分量,从而实现一次DFS即可求出所有的强联通分量。 §有向图中, u可达v不一定意味着v可达u. 相互可达则属于同一个强连通分量 (Strongly Connected Compo ...
分类:其他好文   时间:2017-08-03 09:53:00    阅读次数:214
[Usaco2007 Open]Fliptile 翻格子游戏
Description Farmer John knows that an intellectually satisfied cow is a happy cow who will give more milk. He has arranged a brainy activity for cows ...
分类:其他好文   时间:2017-08-02 19:12:01    阅读次数:205
Fliptile 翻格子游戏[Usaco2007 Open]
题目描述 Farmer John knows that an intellectually satisfied cow is a happy cow who will give more milk. He has arranged a brainy activity for cows in whic ...
分类:其他好文   时间:2017-08-02 19:07:38    阅读次数:183
最短路专题(不定期更新)
1、Til the Cows Come Home POJ 2387 题意:找到从N到1的最短路径。 思路:SPFA。 1 #include<iostream> 2 #include<vector> 3 #include<queue> 4 using namespace std; 5 const in ...
分类:其他好文   时间:2017-08-02 14:25:12    阅读次数:182
【树形dp】Rebuilding Roads
[POJ1947]Rebuilding Roads Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 11934 Accepted: 5519 Description The cows have reconstructed Farm ...
分类:其他好文   时间:2017-08-01 23:07:48    阅读次数:222
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