#include using namespace std; using ll = long long; using VI = vector; using VL = vector; using PII = std::pair; using PLL = std::pair; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, s, n) for (int i = (s); i < (int)(n); i++) #define allpt(v) (v).begin(), (v).end() const int mod = 1e9 + 7; const string wsp = " "; const string tb = "\t"; const string rt = "\n"; template void show1dvec(vector v) { int n = v.size() - 1; rep(i, n) cout << v[i] << wsp; cout << v[n] << rt; return; } int main() { #ifdef DEBUG cout << "DEBUG MODE" << endl; ifstream in("input.txt"); //for debug cin.rdbuf(in.rdbuf()); //for debug #endif int n, a, b; cin >> n; vector v1(n), v2(n - 1); rep(i, n) cin >> v1[i]; a = 1e9; b = v1[n - 1] - v1[0]; rep(i, n - 1) { a = min(a, v1[i + 1] - v1[i]); } cout << a << rt << b << rt; return 0; }