How to solve this problem ?

Revision en1, by rootms, 2018-03-08 17:23:08

Hi codeforces ! I try to solve this problem D from Yandex 2018 Qualification Triangle Construction . https://contest.yandex.com/algorithm2018/contest/7491/problems/D/?lang=en

Can you say me with which algorithm,i can solve this ?

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en1 English rootms 2018-03-08 17:23:08 339 Initial revision (published)