this problem 774C - Максимальное число from this contest VK Cup 2017 - Уайлд-кард раунд 1 was repeated in the last contest Educational Codeforces Round 81 (рейтинговый для Див. 2) as the problem "A" 1295A - Отобрази число 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 - Sonya and Problem Wihtout a Legend & 13C - Sequence
In 713C you need to make strictly increasing array, but in 13C you need to make not-decreasing
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