Greater Integers

#include <iostream>
using namespace std;

int main() {
  long long t,n,maxi,k;
  cin >> t;
  for (long long i = 0; i < t; t++) {
    cin >> n;
    n += 1;
    maxi = 0;
    k = 1;
    while (n > 9) {
      k += 1;
      maxi = max(maxi,n % 10);
      n = n/10;
    }
    if (n < maxi) {
      n += 1;
    }
    for (long long j = 0; j < k; j++) {
      cout << n;
    }
    cout << endl;
  }
}

Test 1

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

Test 2

Group: 2

Verdict: TIME LIMIT EXCEEDED