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] ...
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其他好文 时间:
2017-08-05 06:44:01
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130
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- ...
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其他好文 时间:
2017-08-05 00:18:49
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119
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 ...
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移动开发 时间:
2017-08-05 00:17:43
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178
Tallest Cow Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 2368 Accepted: 1084 Description FJ's N (1 ≤ N ≤ 10,000) cows conveniently index ...
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其他好文 时间:
2017-08-04 10:00:45
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129
[POJ2186]Popular Cows Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 34752 Accepted: 14155 Description Every cow's dream is to become the ...
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其他好文 时间:
2017-08-03 22:07:28
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173
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 ...
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其他好文 时间:
2017-08-03 09:53:00
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214
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 ...
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其他好文 时间:
2017-08-02 19:12:01
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205
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 ...
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其他好文 时间:
2017-08-02 19:07:38
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183
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 ...
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其他好文 时间:
2017-08-02 14:25:12
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182
[POJ1947]Rebuilding Roads Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 11934 Accepted: 5519 Description The cows have reconstructed Farm ...
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其他好文 时间:
2017-08-01 23:07:48
阅读次数:
222