摘要:
1 #include<bits/stdc++.h> 2 3 typedef long long ll; 4 5 const int N = 4e5+10,M = N * 4,INF = 0x3f3f3f3f,mod = 1e9+7; 6 struct Node{ 7 int x,y; 8 bool 阅读全文
posted @ 2022-04-06 16:08
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