#include<stdio.h>
#include<conio.h>
void
main()
{
int a[20],n,i; void shell(int a[],int n);
clrscr();
printf("\n Enter the size of the array
");
scanf("%d",&n);
printf("\n Enter the elements: ");
for(i=0;i<n;i++)
scanf("%d",&a[i]);
shell(a,n);
printf("\n Elements after
sorting:");
for(i=0;i<n;i++)
printf("%d\t",a[i]);
getch();
}
void
shell(int a[],int n)
{
int j,p,k,temp;
for(k=n/2;k>0;k=k/2)
{
for(p=k;p<n;p++)
{
temp=a[p];
for(j=p; j>=k &&
a[j-k]>temp;j=j-k)
a[j]=a[j-k];
a[j]=temp;
}
}
}
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