20pts 分层图,求助

P1948 [USACO08JAN] Telephone Lines S

建图时写错了,调了 2 个小时,寄。 ```c ve[b+j*n].push_back(make_pair(a+j+n,l)); ``` 应为 ```c ve[b+j*n].push_back(make_pair(a+j*n,l)); ```
by zjinze @ 2023-11-11 16:41:37


此贴结
by zjinze @ 2023-11-11 16:41:59


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