hint to solve pillars problem educational codeforces round division 2.

Revision en1, by AM_I_Learning, 2019-07-23 13:49:36

solution is that check if there is an entry in the array from i=2 to i=n-1; such that a[i]<a[i-1]&&a[i]<a[i+1]. If there is such a value ans is NO else answer is always "YES". This is an easy way to solve that problem

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en2 English AM_I_Learning 2019-07-23 13:50:22 23 Tiny change: 'at problem' -> 'at problem.... OK................' (published)
en1 English AM_I_Learning 2019-07-23 13:49:36 291 Initial revision (saved to drafts)