Kyselyt

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
int main() {

	ll q, k;
	string luvut;

	cin >> q;
	ll kohdat[q];
	ll kohdato[q];
	for (int i = 0; i < q; i++) {
		cin >> k;
		kohdat[i] = k;
		kohdato[i] = k;
	}

	sort(kohdat, kohdat + q);

	for (int i = 0; i <= kohdat[q - 1]; i++) {
		luvut.append(to_string(i));
	}
	for (int i = 0; i < q; i++) {
		cout << luvut[kohdato[i]] << "\n";
	}

}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: TIME LIMIT EXCEEDED