Finding and print 2nd largest element in the array

/*  Program for 2nd largest element in the array */

#include<stdio.h>

#include<conio.h>

void main()

{

int i,n,a[30],max1,max2;

clrscr();

printf("\n Enter no.of elements: ");

scanf("%d",&n);

printf("\n Enter %d array elements : ",n);

for(i=0;i<=n-1;i++)

scanf("%d",&a[i]);

max1 = max2 = a[0];

for(i=0;i<=n-1;i++)

{

if(a[i]>max1)

{

max2=max1;

max1=a[i];

}

else

if(a[i] > max2 && a[i] < max1)

{

max2=a[i];

}

}

printf("\n Second largest number = %d",max2);

getch();

}