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This is an interactive problem. Egor and Petr are playing a game called «Colder-Hotter» on a 2D plane. At the beginning of the game Egor thinks of a point with non-negative integer coordinates not ex...

There is an array of length N consisting of non-negative integers. The array is sorted in non-decreasing order. Each number in the array appears exactly K times, except one element, which appears at l...

ime limit per test： 1 secondmemory limit per test： 256 megabytesinput： standard inputoutput： standard outputThis is an interactive problem. In the output section below you will see the information abo...