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Tag: Grisha and Underground Solve In C/C++

Codeforces Round #425 (Div....

#include<cstdio> #include<iostream> using namespace std; struct Edge{ int to,next; }e; int head,cnt=0; void add(int u,int v) { cnt++; e.to=v; e.next=head; head=cnt; } int...

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