insertion operation in array

//insertion operation in array.
#include<stdio.h>
#include<conio.h>
int main()
{
	int A[]={5,9,3,7,8};
	int n=5,item=10,k=3;
	int i=0,j=n;
	printf("\narray before operation...\n");
	for(i=0;i<n;i++)
	{
		printf("\nA[%d]=%d",i,A[i]);
	}
	n=n+1;
	while(j>=k)
	{
		A[j+1]=A[j];
		j=j-1;
	}
	A[k]=item;
	printf("\narray after insertion...\n");
	for(i=0;i<n;i++)
	{
		printf("\nA[%d]=%d",i,A[i]);
	}
	return 0;
}