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I was solving the above problem using C++ vector of maps and i got memory limit exceeded. But I solved the same problem with the same logic using vectors of vector and got accepted solution .I am unable to understand why the solution using maps failed.↵
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Solution using maps:-https://mirror.codeforces.com/contest/1996/submission/273021146↵
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Solution using vectors of vector:-https://mirror.codeforces.com/contest/1996/submission/273020910↵
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Can someone expalin?↵
