this problem 774C - Maximum Number from this contest VK Cup 2017 - Wild Card Round 1 was repeated in the last contest Educational Codeforces Round 81 (Rated for Div. 2) as the problem "A" 1295A - Display The Number in fact the test cases given were the same and the solution was also the same other than including test cases. I think MikeMirzayanov should look into this matter. Thank you.
713C - Соня и задача без легенды & 13C - Последовательность
In 713C you need to make strictly increasing array, but in 13C you need to make not-decreasing
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