Fast i/o statement for C++ solution gives WA

I have done this problem and got AC when i did not include the staments for fast i/o operations :- ios_base::sync_with_stdio(false);cin.tie(NULL);

after i included the above statement i got WA.
Please help me out .
Link to submission :- AC submission (without statement)

@ssjgz may help

place your i/o statement after int main()
int main()

int t;