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.