公司內部員工運算測試題

private static void Draw()

         {

             Console.Write("請輸入：");

             string str = Console.ReadLine();

             if (Convert.ToInt32(str) <= 1)

             {

                 return;

             }

             int number = Convert.ToInt32(str);

 

             //儲存數組

             int[] nums = new int[number];

             for (int i = 0; i < number; i++)

             {

                 nums[i] = i;

             }

             string temp;

             for (int i = 0; i < number; i++)

             {

                 temp = "" + i;

                 for (int j = 0; j < number; j++)

                 {

                     if (i != j)

                     {

                         Draw(j,temp,nums);

                     }

                 }

             }

         }

 

     private static void Draw(int num,string temp,int[] nums)

        {

            temp += "," + num;

            //判斷是否已經添加過的

            foreach (int item in nums)

            {

                if (("," + temp + ",").IndexOf("," + item + ",") == -1)

                    temp += "," + item;

            }

            Console.WriteLine(temp);

}

 

/*

        * 輸入3，輸出的結果是：

        * 0,1,2

         * 0,2,1

         * 1,0,2

         * 1,2,0

         * 2,0,1

         * 2,1,0

         */