Kyselyt

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	ll q, k;

	cin >> q;
	ll kohdat[q];

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

	}

	ll max = *max_element(kohdat, kohdat + q);
	string luvut;
	for (ll i = 0; i <= max; i++) {
		luvut.append(to_string(i));
	}
	for (ll i = 0; i < q; i++) {
		cout << luvut[kohdat[i]] << "\n";
	}

}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: TIME LIMIT EXCEEDED