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Highways Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 28368 Accepted: 12924 Description The island nation of Flatopia is... 阅读全文
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#include#include#include using namespace std;const int maxn = 2000+10;char map[maxn][10];int f[maxn];int n,cnt;struct edge{ int u,v; int w;}e[... 阅读全文
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Truck History Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 24751 Accepted: 9647 Description Advanced Cargo Movement, Ltd... 阅读全文
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Freckles Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8309 Accepted: 3952 Description In an episode of the Dick Van Dyke... 阅读全文
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都是套路，换题不换意 Agri-Net Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 51655 Accepted: 21544 Description Farmer John has bee... 阅读全文
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Agri-Net Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 51653 Accepted: 21544 Description Farmer John has been elected may... 阅读全文
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Constructing Roads Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 22440 Accepted: 9588 Description There are N villages, w... 阅读全文
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Prim算法 1.概览 普里姆算法（Prim算法），图论中的一种算法，可在加权连通图里搜索最小生成树。意即由此算法搜索到的边子集所构成的树中，不但包括了连通图里的所有顶点（英语：Vertex (graph theory)），且其所有边的权值之和亦为最小。该算法于1930年由捷克数学家沃伊捷赫... 阅读全文
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Children of the Candy Corn Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 12755 Accepted: 5481 Description The cornfield m... 阅读全文