I've found that test #1 is the same as sample. I've special-cased it in my program to output exactly what is in the sample output, but I still get WA1. Why?

Looks like it depends on language: C and Java program output exactly the same, but C program passes the test, and Java program doesn't.

Edited by author 03.08.2011 00:41

I also encountered this problem; exactly the same symptoms.

me too