image.png

image.png

 Console.WriteLine("請輸入一個整數(shù)");
            int num = int.Parse(Console.ReadLine());
            int[] bytes = new int[8];//一個字節(jié)占8位,范圍是0-255;
            int index = 0;
            while (true)
            {
                bytes[index] = num % 2;
                num /= 2;
                index++;
                if (num == 1)
                {
                    bytes[index] = num;
                    break;
                }
            }
            for (int i = bytes.Length - 1; i >= 0; i--)
            {
                Console.Write(bytes[i]);
            }