OJ Board

ok , i've read through all the 18 pages of this topic and my code passed every test case mentioned here , but it still gives me WA !!
so , defiantly i missing something here , but i can't figure out what !!

here is the code :
#include <iostream>
#include <string>
#include <cmath>
#include <cstring ...

finally ,,, it worked !!!
I got ac !!!
thanks for help brianfry713

it seems that with gcc , istream::sync() doesn't work in the same way it does with VC++2010 ... that's what made the output difference between my snapshot and ideone ...
anyway , i got rid of sync() and adjusted the code , and it gave me TLE :(
so , I re-wrote the entire code using standard I/O ...

I guess this input should give the following output : and this is exactly what my code prints !!!

I've read all the discussion here ...
my code passes every IO test i know (the one in the problem statement , and the two mentioned here) ...
but still , my code gets WA !!!
i can't get to figure out what the problem is ...
here's my code :