C Program to find second largest and second smallest element in an array

Arrays in C,
C Program to find second largest and second smallest element in the array.  Program will accept a list of data items and find the second largest and second smallest elements in it. And also compute the average of both. And search for the average value whether it is present in the array or not. Display appropriate message on successful search.  Read more about C Programming Language .

/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact [email protected]
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                                  Happy Coding
***********************************************************/


#include <stdio.h>

void main ()
{
 int number[30];
 int i,j,a,n,counter,ave;

 printf ("Enter the value of Nn");
 scanf ("%d", &n);

 printf ("Enter the numbers n");
 for (i=0; i<n; ++i)
  scanf ("%d",&number[i]);

 for (i=0; i<n; ++i)
 {
  for (j=i+1; j<n; ++j)
  {
   if (number[i] < number[j])
   {
    a        = number[i];
    number[i] = number[j];
    number[j] = a;
   }
  }
 }

 printf ("The numbers arranged in descending order are given belown");
 for (i=0; i<n; ++i)
 {
  printf ("%dn",number[i]);
 }

 printf ("The 2nd largest number is  = %dn", number[1]);
 printf ("The 2nd smallest number is = %dn", number[n-2]);

 ave = (number[1] +number[n-2])/2;
 counter = 0;

 for (i=0; i<n; ++i)
 {
  if (ave == number[i])
  {
   ++counter;
  }
 }
 if (counter == 0 )
  printf ("The average of %d  and %d is = %d is not in the arrayn", number[1], number[n-2], ave);
 else
  printf ("The average of %d  and %d in the array is %d in numbersn",number[1], number[n-2], counter);
}           /* End of main() */
Read more Similar C Programs
Array In C

Simple C Programs

You can easily select the code by double clicking on the code area above.

To get regular updates on new C programs, you can Follow @c_program

You can discuss these programs on our Facebook Page. Start a discussion right now,

our page!

Share this program with your Facebook friends now! by liking it

(you can send this program to your friend using this button)

Like to get updates right inside your feed reader? Grab our feed!

(c) www.c-program-example.com

Leave a Reply