Shell Sort örneği

0 
#include <stdio.h>
#include <conio.h>
 
#define MAX_SIZE 50
#define TRUE 1
#define FALSE 0
 
void main(void);
void shell_sort(double x[],int n);
 
void main(void)
{
   double x[MAX_SIZE];
   int num_items;
   int i;
 
   printf("\nSHELL SORT ORNEGI");
   printf("\nSiralanacak sayi adedi (MAX=50) : ");
   scanf("%d",&num_items);
 
   for (i = 0; i < num_items; i++)
   {
      printf("%d. sayi : ",i+1);
      scanf("%lf",&x[i]);
   }
 
   shell_sort(x, num_items);
 
   printf("Sayilarin siralanmis hali : ");
   for (i = 0; i < num_items; i++)
    printf(" %.lf ",x[i]);
 
   getch();
}
 
void shell_sort(double x[], int n)
{
   double temp;
   int i;
   int last;
   int is_sorted;
   int jump = n / 2;
 
   while (jump >= 1)
   {
      last = n - jump;
      is_sorted = FALSE;
 
      while (!is_sorted)
      {
        is_sorted = TRUE;
         for(i = 0; i < last; ++i)
         {
            if (x[i] >= x[i + jump])
            {
                  temp = x[i];
               x[i] = x[i + jump];
               x[i + jump] = temp;
               is_sorted = FALSE;
            }
         }
      }
      jump = jump / 2;
   }
}