Codeforces gives MLE error for 102343F - More or Less Test 2 of UCF local 2019 competition, but in custom invocation it shows only 1000KB of memory is bieng used. Why is this happening? My submission

I observed that I can not see other people's solution for the problems which I haven't solved even after completing the virtual contest. Can someone give their solution for problem https://mirror.codeforces.com/gym/101510/problem/E?