Greater Integers

input/code.cpp: In function 'int main()':
input/code.cpp:22:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < s.size(); i++) cout << c;
                  ~~^~~~~~~~~~

#include <bits/stdc++.h>
 
using namespace std;
 
int main(){
	int64_t t;
	cin >> t;
	while(t--){
		string s;
		cin >> s;
 
		char c = s.front();
		bool more = true;
		for(char f : s){
			if(f < c){
				more = false;
				break;
			} else if(f > c) break;
		}
		if(more) c++;
		if(c > '9') { s.push_back('9'); c = '1'; }
		for(int i = 0; i < s.size(); i++) cout << c;
		cout << '\n';
	}
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED