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SHELL SORT
#include<stdio.h>
#include<stdlib.h>
void shell_sort(int a[],int n)
{
int gap,i,j,t;
for(gap=n/2;gap>0;gap=gap/2)
{
for(i=gap;i<n;i++)
{
t=a[i];
for(j=i;j>=gap&&a[j-gap]>t;j=j-gap)
{
a[j]=a[j-gap];
}
a[j]=t;
}
}
}
int main()
{
int a[50],n,i;
printf("How many values you want to insert: ");
scanf("%d",&n);
printf("\n");
for(i=0;i<n;i++)
{
printf("array[%d]= ",i+1);
scanf("%d",&a[i]);
}
shell_sort(a,n);
printf("\nThe array after shell sort:\n");
for(i=0;i<n;i++)
{
printf("%d ",a[i]);
}
return 1;
}
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