/* program to computer n^5 recursively

   notes:  
   * this program lacks many descriptive elements, usually required by C/C++ Style Guides

   * compile this program in a Terminal window with the line
          gcc -o fifthPower fifthPower.c
 */

#include <stdio.h>

int readn () {
  int value;
  printf ("enter integer value n: "); scanf ("%d", &value);  return value;
}

int computeFifth (int n) {
  int result;  if (n == 1) result = 1; else result = computeFifth (n-1) + 5*n*n*n*n - 10*n*n*n + 10*n*n - 5*n  + 1; return result;}

int main ( ) {
  printf ("program to compute n to the fifth\n");
  int n = readn (); int answer = computeFifth (n); printf ("%d to the fifth is %d\n", n, answer); return 0;}