Matrix spiral print, C++ (gcc)

Matrix spiral print

//Title of this code

#include <iostream>

using namespace std;

template<int rows, int cols>
void spirallyPrint(const int t[rows][cols]) {
    
    int hStart = 0;      // horizontal start
    int hEnd = cols - 1; // horizontal end
    
    int vStart = 0;      // vertical start
    int vEnd = rows - 1; // vertical end
        
    
    while (hStart <= hEnd && vStart <= vEnd) {
        
        // horizontal left to right
        for (int i = hStart; i <= hEnd; ++i)
            cout << t[vStart][i] << " ";
        ++vStart; // first row done
        
        
        cout << endl << hStart << " " << hEnd << " " << vStart << " " << vEnd << endl; 
        
        // vertical top to bottom
        for (int i = vStart; i <= vEnd; ++i)
            cout << t[i][hEnd] << " ";
        --hEnd; // last column done
        
        
        // horizontal right to left
        for (int i = hEnd; i >= hStart; --i)
            cout << t[vEnd][i] << " ";
        --vEnd; // last row done
        
        
        // vertical bottom to top
        for (int i = vEnd; i >= vStart; --i)
            cout << t[i][hStart] << " ";
        ++hStart; // first column done
        
    }
    
}

int main(){

int t[3][4] = { 
                    {1, 2, 3, 4},
                    {3, 4, 5, 6},
                    {5, 6, 7, 8}
                   };
    
    spirallyPrint<3, 4>(t);
}


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