Greater Integers

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t;
    cin >> t;
    while(t--)
    {
        ll n;
        cin >> n;
        int l=(to_string(n).size());
        bool ok=0;
        for(int i=1;i<=9;i++)
        {
            ll x=stoll(string(l,'0'+i));
            if(x>n)
            {
                cout << x << "\n";
                ok=1;
                break;
            }
        }
        if(ok==0) cout << string(l+1,'1') << "\n";
    }
    return 0;
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED