This guys codes looks like AI-written. Some codes have comments made by AI. Moreover, all the variables seems to be AI written. Also the coding style is a bit weird. Here are his suspicious codes:
Today's Div2 E: https://mirror.codeforces.com/contest/2092/submission/312983960
D: https://mirror.codeforces.com/contest/2092/submission/312966151
C: https://mirror.codeforces.com/contest/2092/submission/312951558
ID name: chanshin9211




