#include<iostream.h>
int v[100],q=0, n, i, max=0,min=100, dif;
void main()
{
cout<<"n="; cin>>n;
for(i=1;i<=n;i++)
{
cout<<"v["<<i<<"]=";
cin>>v[i];
}
for(i=1;i<=n;i++)
if(v[i]>max)
max=v[i];
else if(v[i]<min)
min=v[i];
dif=max-min;
for(i=1;i<=n;i++)
if(v[i]==dif)
q++;
cout<<q;
}