#include <stdio.h>
#include <stdlib.h>

/* RECURSION
 *
 * The two functions below, iterative(…) and recursive(…) do the same thing.
 */

void iterative(int a) {
    // counts all numbers iteratively (via a loop)
    for(int i = a; i > 0; i--) {
        printf("%d\n", i);
    }
}

void recursive(int a) {
    if(a > 0) {
        printf("%d\n", a);
        recursive(a - 1);
    }
}

int main(int argc, char* argv[]) {

    printf("iterative(…)\n");
    iterative(10);

    printf("\n");
    printf("recursive(…)\n");
    recursive(10);

    return EXIT_SUCCESS;
}

/* OUTPUT:

   iterative(…)
   10
   9
   8
   7
   6
   5
   4
   3
   2
   1
   
   recursive(…)
   10
   9
   8
   7
   6
   5
   4
   3
   2
   1
*/
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */