ABC102B - Maximum Difference

問題：B - Maximum Difference

#include <algorithm>
#include <iostream>
using namespace std;

#define REP(i, n) for (int i = 0; i < (n); ++i)

int main(void) {
    const int INF = 1 << 30;
    int n, a[100], max_a = INF * (-1), min_a = INF;

    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> n;
    REP(i, n) {
        cin >> a[i];
        max_a = max(max_a, a[i]);
        min_a = min(min_a, a[i]);
    }
    
    cout << max_a - min_a << "\n";
    return 0;
}