Greater Integers

#include<bits/stdc++.h>
#define all(x) x.begin(), x.end()
using namespace std;
using ll = long long;
int main() {
	cin.tie(0)->sync_with_stdio(0);
	vector<ll> a;
	for(ll i = 1;; i=10*i+1) {
		for(ll j = i; j < 2e18 && j < 9*i; j += i) a.push_back(j);
		if(i > 1e18) break;
	}
	int t;
	cin >> t;
	while(t--) {
		int n;
		cin >> n;
		cout << *upper_bound(all(a), n) << '\n';
	}
}

Test 1

Group: 1, 2

Verdict: WRONG ANSWER

Test 2

Group: 2

Verdict: WRONG ANSWER