#include <iostream> using namespace std; int main() { int n; cin >> n; int max_val = INT_MIN; int min_val = INT_MAX; for (int i = 0; i < n; i++) { int num; cin >> num; if (num > max_val) max_val = num; if (num < min_val) min_val = num; } cout << max_val - min_val << endl; return 0; }