输入一个正整数n，输出所有和为n的连续正整数序列

     public static void main(String[] args) {
         Scanner sc = new Scanner(System.in);
         while (true) {
             System.out.println("please input a positive integer: ");
             int n = sc.nextInt();
             getSubInteger(n);
             System.out.println("=========================");
         }
     }

     public static void getSubInteger(int n) {
         int min = 1;
         int max = 1;
         int sum = 0;
         while (min <= n / 2 + 1) {
             if (sum == n) {
                 System.out.print(n + " = ");
                 for (int k = min; k <= max - 1; k++) {
                     if (k < max - 1)
                         System.out.print(k + " + ");
                     else
                         System.out.print(k);
                 }
                 System.out.println();
                 min++;
                 max = min;
                 sum = 0;
             } else if (sum > n) {
                 sum = 0;
                 min++;
                 max = min;
             } else {
                 sum = sum + max;
                 max++;
             }
         }
     }