Suuremmat

#include <bits/stdc++.h>

typedef long long ll;

#define M 1000000007
#define N (1 << 18)

using namespace std;

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	int n;
	cin >> n;
	for (int i = 0; i < n; ++i) {
        string s;
        cin >> s;
        int x = s.size();

        bool ok = 1;
        bool l = 0;

        for (int j = 1; j < x; ++j) {
            if (s[j] > s[0]) {
                ok = 0;
            } else if (s[j] < s[0]) {
                l = 1;
            }

            s[j] = s[0];
        }

        if (ok && l) {
            cout << s << "\n";
        } else if (s[0] != '9') {
            s[0]++;
            for (int j = 0; j < x; ++j) {
                cout << s[0];
            }
            cout << "\n";
        } else {
            for (int j = 0; j <= x; ++j) {
                cout << 1;
            }
            cout << "\n";
        }

        /*for (int j = 1; j < x; ++j) {
            if (s[j] > s[0]) {
                ok = 0;
                break;
            } else if (s[j] < s[0]) {
                les = 1;
            }
        }

        if (ok && les) {
            for (int j = 0; j < x; ++j) {
                cout << s[0];
            }
            cout << "\n";
            continue;
        }

        if (s[0] == '9') {
            s[0] = '1';
            x++;
        } else {
            s[0]++;
        }
        for (int j = 0; j < x; ++j) {
            cout << s[0];
        }
        cout << "\n";*/
	}

	return 0;
}

Test 1

Group: 1, 2

Verdict: WRONG ANSWER

Test 2

Group: 2

Verdict: WRONG ANSWER