Greater Integers

#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
void solve(){
    ll n; cin >> n;
    vector<ll> sth;
    int ss = to_string(n).size();
    for(int i = 1; i < 10; i++){
        sth.pb(0LL);
        int sss = ss;
        ll cur = i;
        while(sss--){
            sth.back()+=cur;
            cur*=10;
        }
    }
    ss++;
    sth.pb(0LL);
    int sss = ss;
    ll cur = 1;
    while(sss--){
        sth.back()+=cur;
        cur*=10;
    }
    for(ll x: sth) if(x > n){
        cout << x << "\n";
        break;
    }
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int T; cin >> T; while(T--) solve();
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED