OJ Board

My code passes every test case that was posted here and the sample i/o but I keep getting WA, please advise! :(

#include <iostream>
#include <string>
#include <string.h>
#include <sstream>
#include <fstream>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <vector>
#include ...