#include<iostream> using namespace std; int main() { int n, mxx = 0, ndd = 10000; cin >> n; int a [1001]; for (int i = 1; i <= n; i++) { cin >> a[i]; } for (int i = 1; i <= n; i++) { if (mxx < a[i]) { mxx = a[i]; } if (ndd > a[i]) { ndd = a[i]; } } cout << mxx - ndd; }