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I am from Indonesia. 19 years old. Joinned here since November 2006. Solved only 55 problems.

Hi. I am new here.
I got the same problem. It's WA.
(at first my code is very short, but after reading that there can be many tricky cases I changed it much and it became this long :()

removed

sorry. I remove my code.
My code doing stupid things in cases like : "cases_like - 2 - 2 - 2 / 2 !"

I ...