#include <bits/stdc++.h> using namespace std; int a[11]; int main() { int n, max, man; for (int i = 1; i <= n; i++) { cin >> n; } max = nan = a[1]; for (int i = 2; i <= n; i++) { if (a[i] > max) { max = a[i]; } if (a[i] < man) { man = a[i]; } } cout << max-man; }