C program to interchange the largest and smallest elements in the array

In this article we will learn to implement a C program to interchange the largest and smallest elements in the array. A C program is provided below that reads a list of numbers and swap the largest and smallest element in the array.

Program is as follows:

//C program to interchange the largest and smallest elements in the array
#include<stdio.h>
#include<conio.h>
void main()
{
	int a[5],max,min,maxpos,minpos,i,temp;
	printf("Enter 5 integers: ");
	for(i=0;i<5;i++)
		scanf("%d",&a[i]);
	max=a[0];
	min=a[0];
	maxpos=0;
	minpos=0;
	for(i=1;i<5;i++)
	{
		if(a[i]>max)
		{
			max=a[i];
			maxpos=i;
		}
		if(a[i]<min)
		{
			min=a[i];
			minpos=i;
		}
	}
	temp=a[maxpos];
	a[maxpos]=a[minpos];
	a[minpos]=temp;
	printf("After interchange array elemnts are: ");
	for(i=0;i<5;i++)
		printf("%d ",a[i]);
	getch();
}

Input and output for the above program is as follows:

Enter 5 integers: 2 5 4 1 3
After interchange array elemnts are: 2 1 4 5 3

Suryateja Pericherla

Suryateja Pericherla, at present is a Research Scholar (full-time Ph.D.) in the Dept. of Computer Science & Systems Engineering at Andhra University, Visakhapatnam. Previously worked as an Associate Professor in the Dept. of CSE at Vishnu Institute of Technology, India.

He has 11+ years of teaching experience and is an individual researcher whose research interests are Cloud Computing, Internet of Things, Computer Security, Network Security and Blockchain.

He is a member of professional societies like IEEE, ACM, CSI and ISCA. He published several research papers which are indexed by SCIE, WoS, Scopus, Springer and others.