Second Highest number from array using C language

Q : find second largest number from 1D array of n numbers.

Answer : 

#include<stdio.h>

void main()

{

     int n1,n2,ar[5],i;

     for(i=0;i<5;i++)

     {

          printf("Enter number %d number> ",i+1);

          scanf("%d",&ar[i]);

     }

     n1=ar[0];

     for(i=0;i<5;i++)

     {

          if(n1<ar[i])

          {

              n2=n1;

              n1=ar[i];

          }

     }

     /* printing */

     for(i=0;i<5;i++)

          printf("\t%d",ar[i]);

     printf("\n\n\tSecond Largest no. is %d",n2);

}

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