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摘要: #include<bits/stdc++.h> #define rg register #define ll long long using namespace std; const int N=1e6+5; const ll INF=1ll<<60; int tot,head[N],nxt[N], 阅读全文
posted @ 2020-08-06 19:25 γひん0ΖΖƦ 阅读(120) 评论(0) 推荐(0) 编辑