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/*******************************************************
Statement - Accept a list of data items and find the second largest and second smallest elements in it.
Programmer - Vineet Choudhary
Written For - https://turboc.codeplex.com
*******************************************************/
/* Accept a list of data items and find the second
largest and second smallest elements in it. And also computer 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. */

#include <stdio.h>
#include <conio.h>
void main ()
{
int number[30];
int i,j,a,n,counter,ave;
clrscr();

printf ("Enter the value of N\n");
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 below\n");
for (i=0; i<n; ++i)
{
printf ("%d\n",number[i]);
}

printf ("The 2nd largest number is = %d\n", number[1]);
printf ("The 2nd smallest number is = %d\n", 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 array\n", number[1], number[n-2], ave);
else
printf ("The average of %d and %d in array is %d in numbers\n",number[1], number[n-2], counter);

getch();
} /* End of main() */

/*-------------------------------------------------------
Output
Enter the value of N
6
Enter the numbers
30
80
10
40
70
90
The numbers arranged in descending order are given below
90
80
70
40
30
10
The 2nd largest number is = 80
The 2nd smallest number is = 30
The average of 80 and 30 is = 55 is not in the array
-------------------------------------------------------*/

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Last edited Aug 31 at 5:50 PM by vineetchoudhary, version 2