Lehmät

import java.util.Scanner;

public class B2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String[] koot = scanner.nextLine().split(" ");

        int korkeus = Integer.parseInt(koot[0]);

        int lehmat = 0;

        for (int i = 0; i < korkeus; i++) {
            String rivi = scanner.nextLine();
            if (!rivi.contains("*")) {
                continue;
            }

            String[] split = rivi.split("\\*");

            for (int i1 = 0; i1 < split[1].length(); i1++) {
                if (split[1].charAt(i1) == '@') lehmat++;
            }

        }

        System.out.print(lehmat);
    }

}

Test 1

Group: 1, 2

Verdict: RUNTIME ERROR

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds...

Test 2

Group: 1, 2

Verdict: RUNTIME ERROR

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds...

Test 3

Group: 1, 2

Verdict: ACCEPTED

Test 4

Group: 1, 2

Verdict: ACCEPTED

Test 5

Group: 1, 2

Verdict: RUNTIME ERROR

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds...

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED