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Can anybody help me? Codeforces Round #736 (Div. 2) Problem C (runtime Error )
By Garvit_2013, history, 5 years ago, In English

Code link :https://codeforces.me/contest/1549/submission/124673267

Please help me I am trying to find it since last night and I am not able till now .

Thanks in advance.

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5 years ago, hide # |
 
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When you do adj[i].erase(*itr); the iterator gets erased. So try changing the order in which you perform deletion.

adj[*itr].erase(i);
adj[i].erase(*itr);
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