b) Sort a random array of n integers (create a random array of n integers) in ascending order by using insertion sort algorithm.
Solution:
#include<stdio.h>
void insertion_sort(int *a,int n)
{
int i,j,temp;
for(i=1;i<n;i++)
{
temp=a[i];
for(j= i-1; j>=0 && temp<a[j]; j--)
a[j+1]=a[j];
a[j+1]=temp;
}
}
void generate(int *a,int n)
{
int i;
for(i=0;i<n;i++)
a[i]=rand()%100;
}
void display(int *a,int n)
{
int i;
for(i=0;i<n;i++)
{
printf("%d\t",a[i]);
}
}
main()
{
int a[20],i,j,n;
printf("\n Enter how many elements:");
scanf("%d",&n);
generate(a,n);
printf("\n Elements are:\n");
display(a,n);
insertion_sort(a,n);
printf("\n After sorting elements are :\n");
display(a,n);
}
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