Hey Guys, please I need your help. My submission https://codeforces.com/contest/1516/submission/135648061 to problem https://codeforces.com/contest/1516/problem/D is giving different outputs(on some online compiler vs codeforces compiler), on codeforces It's not showing the thing I wanted it to show, due to some overflow reasons, which I couldn't figure out from my code, please help me find it. I have literally wasted 2-3 hours figuring out why overflow, But didn't made any kind of progress. Even read some blogs about it, but..