Repeat & Missing Number

public class RepeatAndMissingNumber {
    public static int[] findRepeatAndMissing(int[] arr) {
        int n = arr.length;
        int[] result = new int[2]; // result[0] = repeating, result[1] = missing
        boolean foundRepeating = false;
        boolean foundMissing = false;

        // Outer loop: Iterate through numbers 1 to n (variable 'i')
        for (int i = 1; i <= n; i++) {
            int count = 0;

            // Inner loop: Iterate through elements of the array (variable 'j')
            for (int j = 0; j < arr.length; j++) {
                if (arr[j] == i) {
                    count++;
                }
            }

            // Determine if i is repeating or missing
            if (count == 2) {
                result[0] = i; // Repeating number
                foundRepeating = true;
            } else if (count == 0) {
                result[1] = i; // Missing number
                foundMissing = true;
            }

            // Stop if both numbers are found
            if (foundRepeating && foundMissing) {
                break;
            }
        }

        return result;
    }

    public static void main(String[] args) {
        int[] arr = {3, 1, 2, 5, 3}; // Example: 3 is repeating, 4 is missing
        int[] ans = findRepeatAndMissing(arr);
        System.out.println("Repeating: " + ans[0] + ", Missing: " + ans[1]);
    }
}