Here is the good news , again this fucking loser twoseven cheated. God this guy is unstoppable. He is just poison for cp community.

Leaked code of C: https://ideone.com/NMPWQJ

His code of C: https://codeforces.net/contest/1539/submission/120081518

Leaked code of D: https://ideone.com/JoxG94

His code of D: https://codeforces.net/contest/1539/submission/120105206

This guy is literally cheating in each contest. Even lots of blog has been written on him in past. But sadly no change. MikeMirzayanov please plagiarize this guy . He cleverly escapes plag.