how to find largest and smallest from a set of numbers

#include<stdio.h>
main()
{
int a[30],i,large,small,n;
printf("enter your limit\t");
scanf("%d",&n);
for(i=0;i<n;i++)
scanf("%d",&a[i]);
small=large=a[0];
for(i=0;i<n;i++)
{
if(a[i]<small)
small=a[i];
if(a[i]>large)
large=a[i];
}
printf("large=%d",large);
printf("small=%d",small);
}