OJ Board

Getting WA.

#include<cstdio>
#include<iostream>
#include<cmath>
#include<cstdlib>
#include<cctype>
#include<algorithm>
#include<limits>
#include<vector>
#include<stack>
#include<string>
#include<deque>
#include<set>
#include<list>
#include<bitset>
#include<ctime>
#include<functional>
#include ...