variable_arrays.c

   1 /*
   2
   3 Demonstation of variable arrays.
   4 Only works with compilers that support C99
   5
   6 */
   7
   8 #include <stdio.h>
   9
  10 int main()
  11 {
  12         int i, n;
  13
  14         printf("How many numbers do you want to reverse? ");
  15         scanf("%d", &n);
  16
  17         int a[n]; /* C99 Only */
  18         printf("Enter %d numbers: ", n);
  19         for(i = 0; i < n; i++)
  20                 scanf("%d", &a[i]);
  21
  22         printf("In reverse order:");
  23         for(i = n - 1; i >= 0; i--)
  24                 printf(" %d", a[i]);
  25         printf("\n");
  26
  27         return 0;
  28 }