Greater Integers

input/code.cpp: In function 'int main()':
input/code.cpp:15:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int i = 0 ;i < q.size(); i ++ ){
                            ~~^~~~~~~~~~
input/code.cpp:25:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int i = 0 ;i <= q.size(); i ++ ) cout << "1";
                            ~~^~~~~~~~~~~

#include <bits/stdc++.h>

using namespace std;

int main(){
    int tc;
    cin >> tc;
    for(int t = 1; t <= tc;t ++ ){
        string q;
        cin >> q;
        string sol;
        bool has=false;
        for(int d = 1; d <= 9; d ++ ){
            string cur;
            for(int i = 0 ;i < q.size(); i ++ ){
                cur.push_back(char(d + '0'));
            }
            if(cur > q){
                has=true;
                sol=cur;
                break;
            }
        }
        if(!has){
            for(int i = 0 ;i <= q.size(); i ++ ) cout << "1";
            cout << "\n";
        }
        else{
            cout << sol << "\n";
        }
    }
    return 0;
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED