Why my program does not take any input?
#include
using namespace std;
bool findPath(int arr[][1000], int m , int n, int i, int j, int &ans)
{
if(i == m && j == n)
{
ans++;
return 0;
}
if(i > m || j > n)
{
return 0;
}
if(arr[i][j] == 0)
{
return 0;
}
bool a = findPath(arr,m,n,i+1,j, ans);
bool b = findPath(arr,m,n,i,j+1, ans);
if(a || b)
{
return 1;
}
return false;
}
int main()
{
int m,n,p;
cin>>m;
cin>>n;
cin>>p;
int arr[1000][1000];
for(int i = 0; i < m; i++)
{
for(int j =0; j < n; j++)
{
arr[i][j] = 1;
}
}
for (int i = 0; i < p; ++i)
{
int x;
int y;
cin>>x>>y;
arr[x][y] = 0;
}
int ans = 0;
findPath(arr, m,n, 0, 0, ans);
cout<<ans;
}