#include "stdio.h"

#define MAXDATA 5

void showarray(int *array)
{
	int count=0;
	while(count<MAXDATA){
		printf("%d ",array[count]);
		count++;
	}
	printf("\n");
}

void insert(int *array,int position,int what)
{
	for (int i=MAXDATA-1;i>=position;i--)
		array[i]=array[i-1];
	array[i]=what;
}

void del(int *array,int position)
{
	for (int i=position;i<MAXDATA;i++)
		array[i-1]=array[i];
	array[i-1]=0;
}

void reverse(int *array)
{
	for (int i=0;i<MAXDATA/2;i++)
	{
		int temp;
		temp=array[i];
		array[i]=array[MAXDATA-1-i];
		array[MAXDATA-1-i]=temp;
	}
}

void main()
{
	int data[MAXDATA]={5,4,3,4,7};

	printf("data = ");
	showarray(data);
	insert(data,2,99);
	printf("after insert 99\ndata = ");
	showarray(data);
	insert(data,4,197);
	printf("after insert 197\ndata = ");
	showarray(data);
	del(data,3);
	printf("after delete position 3\ndata = ");
	showarray(data);
	reverse(data);
	printf("after reverse\ndata = ");
	showarray(data);
}