#include<iostream> using namespace std; int main() { int n; cin >> n; int b[n], d = 0, e = 10000; for (int i = 0; i < n; i++){ cin >> b[i]; } int c=0; for (int c = 0; c < n; c++){ if (b[c] > d) d = b[c]; if (b[c] < e) e = b[c]; } cout << d - e; return 0; }