#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long LL; typedef unsigned long long ULL; #define MEM(a,b) memset((a),(b),sizeof(a)) const LL INF = 1e9 + 7; const int N = 2e5 + 10; int main() { //freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); int n; scanf("%d", &n); vector v(n); for (auto& x : v) scanf("%d", &x); int ans = INF; for (int i = 1; i < v.size(); i++) { ans = min(ans, abs(v[i] - v[i - 1])); } cout << ans << endl; cout << v.back() - v.front() << endl; return 0; }