Kyselyt

import java.util.Scanner;

public class kyselyt1 {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int amountOfCases = Integer.parseInt(in.nextLine());
		for (int i = 0; i < amountOfCases; i++) {
			int num = Integer.parseInt(in.nextLine());
			System.out.println(String.valueOf(((int) Math.pow(10, String.valueOf(num).length())) - 1 - (int) Math.floor(((9 * (String.valueOf(num).length() + 1) * ((int) Math.pow(10, String.valueOf(num).length())) - ((int) Math.pow(10, String.valueOf(num).length() + 1)) + 1) /9 - num) / String.valueOf(num).length())).charAt((int) ((int) String.valueOf(num).length() - (((9 * (String.valueOf(num).length() + 1) * ((int) Math.pow(10, String.valueOf(num).length())) - ((int) Math.pow(10, String.valueOf(num).length() + 1)) + 1) /9 - num) % String.valueOf(num).length()) - 1)));
		}
		in.close();
	}

}

Test 1

Group: 1

Verdict: RUNTIME ERROR

Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of...

Test 2

Group: 2

Verdict: RUNTIME ERROR

Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of...

Test 3

Group: 3

Verdict: RUNTIME ERROR

Exception in thread "main" java.lang.NumberFormatException: For input string: "67227483294...