fjnu第九屆「藍橋杯」 題解

題目傳送門 php A題：node #include<iostream> #include<cstdio> #include<algorithm> #include<cstring> using namespace std; const int co[2][2] = { 1, 0, 0, 1 }; int ans = 0; int n = 17, m = 12; void dfs(int x,

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