class Main {
    public static void main(String[] args) {
        int[] arr = { 1, 5, 3, 2, 4, 6, 2 };
        sort(arr);
        for (int e : arr) {
            System.out.println(e);
        }
    }

    public static void sort(int[] arr) {
        // 從下面開(kāi)始寫(xiě)代碼
        for (int i = 0; i < arr.length; ++i) {
            int minIndex = i, minValue = arr[i];
            for (int j = i; j < arr.length; ++j) {
                if (arr[j] < minValue) {
                    minIndex = j;
                    minValue = arr[j];
                }
            }
            arr[minIndex] = arr[i];
            arr[i] = minValue;
        }
    }
}