OJ Board

why im getting TLE
can any one help me?

#include <iostream>
#include <queue>

#define PR pair<int,int>
#define SS 1009
using namespace std;

int dist[SS][SS];
char in[SS][SS];
bool visited[SS][SS];

int main(){
queue<PR> q,source;

int dirx[]={1,0,-1,0};
int diry[]={0,-1,0,1};

int i,j,k,m ...

got ac

im getting RTE .

but why??