can anybody help me in explaining the approach to the problem of codeforces
problem link:
http://codeforces.com/contest/902/problem/D
Please use a better title for your question.
Also the editorials for the round have been uploaded, so you can check that out.
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could anyone explain Problem C of same contest?? I did’nt got a word from editorial Link http://codeforces.com/contest/902/problem/C