#include <stdlib.h>
#include <stdio.h>

int trova2max(int *a, int n);

void main()
{
    int a[20];
    int n=10;
    int i;
    for(i=0;i<n;i++)
       a[i]=rand()%100+1;

    for(i=0;i<n;i++)
       printf("%d ",a[i]);

    printf("\n\n%d",trova2max(a,n));

}

int trova2max(int *a, int n)
{   int max;
    int diff, diffmin;
    int i;
    max=a[0];
    for(i=0; i<n; i++)
        if(max<a[i])
            max=a[i];

    printf("\n\n%d",max);
    diffmin=max-a[0];

    for(i=0; i<n; i++)
    {
        diff=max-a[i];
        if(diff<diffmin && max-a[i]!=0)
            diffmin=diff;
    }
    printf("\n\n%d",diffmin);
    return (max-diffmin);

}