Greater Integers

#include <bits/stdc++.h>
#define X first
#define Y second
#define sz(a) (int)a.size()
#define pb push_back
#define int long long

using namespace std;
typedef long long ll;

void solve();

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int t = 1;
    cin >> t;
    while (t--)
        solve();
    return 0;
}

void solve() {
    int n, x;
    cin >> n;
    n += 1;
    for (int i = 1; i <= 18; ++i) {
        for (int j = 1; j <= 9; ++j) {
            x = 0;
            for (int k = 0; k < i; ++k) {
                x *= 10;
                x += j;
            }
            if (x >= n) {
                cout << x << endl;
                return;
            }
        }
    }
    return;
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: WRONG ANSWER