What does 0 mean in olympiad programming?

Question

Programming

I solved the problem in ACMP, in java. The program passed all the tests, but the rating was 0 points. Why is that? Those whose decision turned out to be wrong are higher in the rating than me.

Answer 1

overtime?

Answer 2

You should familiarize yourself with the rules of the resource where you solve problems. Resources are of varying degrees of adequacy and it is unlikely that experts from all the Olympiad sites will gather here.

Answer 3

So you just messed up somewhere