## Oct 3, 2011

### C Program to find second largesC Program to find second largest and second smallest element in the array.t and second smallest element in the 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 .

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#include <stdio.h>

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

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 the array is %d in numbers\n",number[1], number[n-2], counter);
}           /* End of main() */```
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