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Help in Codeforces Perfect Security Round470

I'm getting runtime error (segmenation fault for n>250 on local compiler). I have used naive implementation of trie to solve the question. What's wrong in my approach? Is this error due to consuming too much memory?

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asked 21 Mar '18, 00:34

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question asked: 21 Mar '18, 00:34

question was seen: 191 times

last updated: 21 Mar '18, 00:34