Imported sample code (CPP)

#include <bits/stdc++.h>
using namespace std;

int main()
{
    vector<int> a(1000001, 0);
    int x;
    while (cin >> x) {
        if (x == 0) break;
        a[x]++;
    }
    int ans1 = 1000000;
    int min_x = 1000000, max_x = 0, pre_x = -1;
    for (int i = 1; i <= 1000000; i++) {
        if (a[i] == 0) continue;
        min_x = min(min_x, i);
        max_x = max(max_x, i);
        if (pre_x != -1) {
            ans1 = min(ans1, i - pre_x);
        }
        pre_x = i;
    }
    int ans2 = max_x - min_x;
    printf("%d %d\n", ans1, ans2);
    return 0;
}