OJ Board

I tried to solve this problem. I got WA. Can anybody help me? Thanks. My code is here


#include <cstdio>
#include <queue>

using namespace std;


struct Domino
{
int id;
int time;
bool in_Queue;
bool fresh;
};

struct Row
{
int length;
bool exists;
};


int main()
{
queue<struct Domino ...