Matrix paths right-down only, going through XY, C++ (vc++)

Matrix paths right-down only, going through XY

#include <iostream>

void printAllPathsXY(int *mat, int i, int j, int m, int n, int *path, int pi,bool q,int x, int y)
{
    if (i==x & j==y)
    {
        q=true;
    }
    if (i == m - 1)
    {
        for (int k = j; k < n; k++)
        {
            path[pi + k - j] = *(mat + (m-1)*n + k);
            if (i==x & k==y)
              {
                  q=true;
              }
        }
         if (q)
        {
        for (int l = 0; l < pi + n - j; l++)
           std::cout << path[l] << " ";
           std::cout << "\n";
        }
        q=false;
        return;
    }
 
    if (j == n - 1)
    {
        for (int k = i; k < m; k++)
        {
            path[pi + k - i] = *(mat + k*n + n-1);
             if (k==x & j==y)
              {
                  q=true;
              }
        }
        if(q)
        {
        for (int l = 0; l < pi + m - i; l++)
            std::cout << path[l] << " ";
        std::cout << "\n";
        }
        q=false;
            return;
    }
 
    path[pi] = *(mat + i*n + j);
 
    printAllPathsXY(mat, i+1, j, m, n, path, pi + 1,q,x,y);
    printAllPathsXY(mat, i, j+1, m, n, path, pi + 1,q,x,y);
 }

void printA(int *mat, int m, int n, int x, int y)
{
    int *path = new int[m+n];
    printAllPathsXY(mat, 0, 0, m, n, path, 0,false,x,y);
}

int main()
{
    int x=2;
    int y=2;
    int mat[3][3] = { {1, 4, 7}, {2, 5, 8},{3, 6, 9} };
    printA(*mat, 3, 3,x,y);
}


run \| edit \| history \| help	0