Problem: same code submitted 5 times with different comments got different verdict on codeforces testing system: from accepted to tle. Link to original picture.

First group of equals submissions:

-42063540

-42063549

-42063558

-42063574

-42063583

Second group of equals submissions:

-42063251

-42063390

-42063403

-42063414

-42063421

You can compare the code and make sure it's the same, I'm scared and I do not know if it's possible in a real competition in codeforces rounds