Create spiral.cpp

[sharansudheer]

`

include <bits/stdc++.h>

using namespace std;

define R 3

define C 6

void spiralPrint(int m, int n, int a[R][C]) { int i, k = 0, l = 0;

/* k - starting row index  
    m - ending row index  
    l - starting column index  
    n - ending column index  
    i - iterator  
*/

while (k < m && l < n) { 
    /* Print the first row from 
           the remaining rows */
    for (i = l; i < n; ++i) { 
        cout << a[k][i] << " "; 
    } 
    k++; 

    /* Print the last column  
     from the remaining columns */
    for (i = k; i < m; ++i) { 
        cout << a[i][n - 1] << " "; 
    } 
    n--; 

    /* Print the last row from  
            the remaining rows */
    if (k < m) { 
        for (i = n - 1; i >= l; --i) { 
            cout << a[m - 1][i] << " "; 
        } 
        m--; 
    } 

    /* Print the first column from 
               the remaining columns */
    if (l < n) { 
        for (i = m - 1; i >= k; --i) { 
            cout << a[i][l] << " "; 
        } 
        l++; 
    } 
} 

}

/ Driver program to test above functions / int main() { int a[R][C] = { { 1, 2, 3, 4, 5, 6 }, { 7, 8, 9, 10, 11, 12 }, { 13, 14, 15, 16, 17, 18 } };

spiralPrint(R, C, a); 
return 0; 

}

`