第二次做業

GIT地址：https://github.com/1005233459/Calculator

GIT用戶名：1005233459

學號後五位：62508

博客地址：https://home.cnblogs.com/u/ddyf/

做業代碼：

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

 

namespace ConsoleApplication5

{

    class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("請輸入須要的計算題數目： ");

            int n, i, j = 0;

            n = Convert.ToInt32(Console.ReadLine());

            Random x = new Random();

            string a="";

            Console.WriteLine("計算題而且與答案以下： ");

            for (i = 1; i <= n; i++)

            {

                string y;

                int mark1 = x.Next(2, 4);

                if (mark1 == 2)

                {

                      int number1 = x.Next(0, 100);

                      int number2 = x.Next(0, 100);

                      int mark2 = x.Next(1, 5);

                      if (mark2 == 1)

                      {

                          a = "+";

                          j = number1 + number2;

                      }

                      if (mark2 == 2)

                      {

                          a = "-";

                          j = number1 - number2;

                      }

                      if (mark2 == 3)

                      {

                          a = "*";

                          j = number1 * number2;

                      }

                      if (mark2 == 4)

                      {

                          a = "/";

                          j = number1 / number2;

                      }

                      Console.WriteLine(y = Convert.ToString(number1) + a + Convert.ToString(number2) + "=" + Convert.ToString(j));

                }

                if (mark1 == 3)

                {

                    int number1 = x.Next(0, 100);

                    int number2 = x.Next(0, 100);

                    int number3 = x.Next(0, 100);

                    int mark2 = x.Next(1, 5);

                    int mark3 = x.Next(1, 5);

                    if (mark2 >= 3 && mark3 <= 2)

                    {

                        if (mark2 == 3 && mark3 == 1)

                        {

                            j = number1 * number2 + number3;

                            Console.WriteLine(y=Convert.ToString(number1)+"*"+Convert.ToString(number2)+"+"+Convert.ToString(number3)+"="+Convert.ToString(j));

                        }

                        if (mark2 == 4 && mark3 == 2)

                        {

                            j = number1 / number2 - number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "/" + Convert.ToString(number2) + "-" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                        if (mark2 == 3 && mark3 == 2)

                        {

                            j = number1 * number2 - number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "*" + Convert.ToString(number2) + "-" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                        if (mark2 == 4 && mark3 == 1)

                        {

                            j = number1 / number2 + number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "/" + Convert.ToString(number2) + "+" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }                   

                    }

                    if (mark3 >= 3 && mark2 <= 2)

                    {

                        if (mark3 == 3 && mark2 == 1)

                        {

                            j = number2 * number3 + number1;

                            Console.WriteLine(y = Convert.ToString(number1) + "+" + Convert.ToString(number2) + "*" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                        if (mark3 == 4 && mark2 == 2)

                        {

                            j = number1-number2/number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "-" + Convert.ToString(number2) + "/" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                        if (mark3 == 3 && mark2 == 2)

                        {

                            j = number1 - number2 * number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "-" + Convert.ToString(number2) + "*" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                        if (mark3 == 4 && mark2 == 1)

                        {

                            j = number1 + number2 / number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "+" + Convert.ToString(number2) + "/" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                    }

                    if (mark3 < 3 && mark2 < 2)

                    {

                        if (mark3 == 1 && mark2 == 1)

                        {

                            j = number2 + number3 + number1;

                            Console.WriteLine(y = Convert.ToString(number1) + "+" + Convert.ToString(number2) + "+" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                        if (mark3 == 1 && mark2 == 2)

                        {

                            j = number1 - number2 + number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "-" + Convert.ToString(number2) + "+" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                        if (mark3 == 2 && mark2 == 1)

                        {

                            j = number1 + number2 - number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "+" + Convert.ToString(number2) + "-" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                        if (mark3 == 2 && mark2 == 2)

                        {

                            j = number1 - number2 - number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "-" + Convert.ToString(number2) + "-" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                    }

                    if (mark2 >= 3 && mark3 >= 2)

                    {

                        if (mark2 == 3 && mark3 == 3)

                        {

                            j = number1 * number2 * number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "*" + Convert.ToString(number2) + "*" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                        if (mark2 == 3 && mark3 == 4)

                        {

                            j = number1 * number2 / number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "*" + Convert.ToString(number2) + "/" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                        if (mark2 == 4 && mark3 == 3)

                        {

                            j = number1 / number2 * number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "/" + Convert.ToString(number2) + "*" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                        if (mark2 == 4 && mark3 == 4)

                        {

                            j = number1 / number2 / number3;

                            Console.WriteLine(y = Convert.ToString(number1) + "/" + Convert.ToString(number2) + "/" + Convert.ToString(number3) + "=" + Convert.ToString(j));

                        }

                    }

                }

 

            }

        }

    }

}

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