MdoingIt's blog

By MdoingIt, history, 2 months ago, In English

Question — https://codeforces.me/problemset/problem/161/D

Submission — https://codeforces.me/contest/161/submission/278555376

IMO, it should pass the time constraints. Am I missing something?

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2 months ago, # |
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try to use int array. not long vector

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2 months ago, # |
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Buddy when you are calling dfs it's complexity is n*k*k... It should be n*k fir sol to work . Why are checking for all k values you only have to check for single k... Dp here is unnecessary

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    2 months ago, # ^ |
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    Sorry, there are many mistakes in my above answer. Misread the problem statement. I will try to answer in some time. Please ignore above statement.