C - Min Cost Cycle 思路好6啊，考試想了半天都沒有想出來。 一直在想一個錯誤的貪心算法。 首先，我們把加一條權值為$min(Ax,By)$的邊變成兩條權值分別為$Ax,By$的邊。 初中一題多解的例題、然后點就可以分成四類$(0,0),(0,1),(1,0),(1,1)$代表入邊出邊是否選自

代碼來源：DeathYmz AC的C++語言程序如下： #include<iostream> #include<cstring> #include<cstdio> #include<algorithm> #include<vector> #include<cmath> using namespace std; struct event{int t,r,d,m;//int

代碼來源：DeathYmz AC的C++語言程序如下： #include<cstdio> #include<iostream> #include<cmath> #include<cstring> #include<algorithm> using namespace std; const int maxn=10010; const int base=10; stru

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