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Let’s move from initial matrix to the bipartite graph. The matrix elements (i, j) for which i + j are even should be place to one part, the matrix ele    阅读全文
posted @ 2017-11-29 20:07
Caturra
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按边建模,二叉树一条入边两条出边 判断就要用到mcmf的好处了    阅读全文
posted @ 2017-11-29 17:22
Caturra
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没啥好说的 C++ include include include include using namespace std; const int maxn = 1e5+11; const int oo = 0x3f3f3f3f; int to[maxnf&&dis[v] dis[u]+w){ dis    阅读全文
posted @ 2017-11-29 16:44
Caturra
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```C++ include using namespace std; const int maxn = 1e5+11; const int oo = 0x3f3f3f3f; typedef long long ll; ll cost[maxnf&&dis[v] dis[u]+w){ dis[v]=    阅读全文
posted @ 2017-11-29 00:46
Caturra
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