A Research Project

    1#include <bits/stdc++.h>
    2using namespace std;
    3using ll = long long;
    4using i128 = __int128;
    5const int inf = 1e9;
    6const ll INF = 1e18; //❄️
    7int main() {
    8    ios::sync_with_stdio(0); cin.tie(0); 
    9    int n; cin >> n;
    10    for (int i = 0; i < n; i++) {
    11        int x; cin >> x;
    12        int mx = -1, mn = inf;
    13        for (int j = 0; j < x; j++) {
    14            int a; cin >> a;
    15            mx = max(mx, a); mn = min(mn, a);
    16        }
    17        cout << mn << " " << mx << '\n';
    18    }
    19    return 0;
    20}