Incorrect answers

[cuklev]

Sometimes when submitting C# solution output is ignored on some tests, resulting in incorrect answers. Resubmit/retest usually fixes the problem.

[vv-b-s]

Problem occurs in Java too. Memory or time errors also appear and after resubmitting, no errors appear. No changes on the input code were made.

[lechev95]

When a code is submitted it gets Compile error instantly for C#. On the second try everything works fine. The problem occurs often in the last 2-3 weeks.