Fxp C# Help

static void PrintMinMax(int[] arr) {
    int min = a[0], max = a[0];

    for (int i = 1; i < arr.Length; i++) {
        if (a[i] < min)
            min = a[i];
        if (a[i] > max)
            max = a[i];
    }

    Console.WriteLine($"Minimum value: {min}, Maximum value: {max}");
}