Codeforces Round #615 (Div. 3) "E. Obtain a Permutation"

Правка en1, от helllo111, 2020-01-24 10:44:02

Hi Evevryone , I face some difficulty to understand the editorial of this question . May anyone explain the solution of this question .

Thank you in advance. Click me for question

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en1 Английский helllo111 2020-01-24 10:44:02 295 Initial revision (published)