四则运算2

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace sz
{
    class Program
    {
        static Random rand = new Random();
        static void Main(string[] args)
        {
            String filepath;
            String path;
            int min, max;//数据范围限定
            int dao; // 道数
            int number; //所含数的个数
            int middle;
            int outpath;
            String ch;//判断乘除
            String yu = "N";//判断余数
            String kuo = "N";//判断括号
            String fu = "N";//判断有无负数

            Console.WriteLine("请输入题目的道数：");
            dao = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("请输入所含数的个数：");
            number = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("数的下限：");
            min = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("数的上限：");
            max = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("是否有乘除（Y/N）：");
            ch = Console.ReadLine();

            if (number == 2)
            {
                if (ch == "Y")
                {
                    Console.WriteLine("是否有余数（Y/N）：");
                    yu = Console.ReadLine();
                }
                if (min >= 0)
                {
                    Console.WriteLine("是否有负数（Y/N）：");
                    fu = Console.ReadLine();
                }

            }
            else
            {
                Console.WriteLine("是否有括号（Y/N）：");
                kuo = Console.ReadLine();
            }

            int[,] Data = new int[dao, number];//保存数据

            int[,] Operator = new int[dao, number];//保存运算符

            int[] Data_first = new int[dao];//保存每个表达式的首个字符

            int[,] kuohao = new int[dao, number];
            if (ch == "Y")
            {
                for (int ii = 0; ii < dao; ii++)
                {
                    for (int jj = 0; jj < number - 1; jj++)
                    {
                        Operator[ii, jj] = rand.Next(1, 5);
                    }
                    Operator[ii, number - 1] = 5;
                }

            }
            else
            {
                for (int i = 0; i < dao; i++)
                {
                    for (int j = 0; j < number - 1; j++)
                    {
                        Operator[i, j] = rand.Next(1, 3);
                    }
                    Operator[i, number - 1] = 5;
                }

            }


            Data_first[0] = rand.Next(min, max);

            for (int s = 1; s < dao; s++)
            {
                Data_first[s] = rand.Next(min, max);
                for (int h = 0; h < s - 1; h++)
                {
                    if (Data_first[s] == Data_first[h])
                    {
                        s--;
                    }
                }
            }
            for (int x = 0; x < dao; x++)
            {
                Data[x, 0] = Data_first[x];
                for (int y = 1; y < number; y++)
                {
                    if (Operator[x, y - 1] == 4)
                    {
                        for (; ; )
                        {
                            Data[x, y] = rand.Next(min, max);
                            if (Data[x, y] != 0)
                            {
                                break;
                            }
                        }
                    }
                    else
                    {
                        Data[x, y] = rand.Next(min, max);
                    }
                }
            }
            if (fu == "N")
            {
                for (int i2 = 0; i2 < dao; i2++)
                {
                    if (Operator[i2, 0] == 2 && Data[i2, 0] < Data[i2, 1])
                    {
                        middle = Data[i2, 1];
                        Data[i2, 1] = Data[i2, 0];
                        Data[i2, 0] = middle;

                    }
                }
            }

            if (ch == "Y")
            {

                if (yu == "N")
                {

                    for (int i3 = 0; i3 < dao; i3++)
                    {

                        if (Operator[i3, 0] == 4)
                        {

                            middle = Data[i3, 0] % Data[i3, 1];
                            while (middle != 0)
                            {
                                Data[i3, 1] = rand.Next(1, Data[i3, 0]);
                                middle = Data[i3, 0] % Data[i3, 1];
                            }
                        }
                    }
                }

            }

            if (kuo == "Y")
            {
                for (int j1 = 0; j1 < dao; j1++)
                {
                    for (int j2 = 0; j2 < number - 2; j2++)
                    {
                        kuohao[j1, j2] = rand.Next(0, 2);
                    }
                    kuohao[j1, number - 2] = 0;
                    kuohao[j1, number - 1] = 0;
                }
            }
            Console.WriteLine("选择最终的输出方式：\n1、控制台显示 2、文本输出");
            outpath = Convert.ToInt32(Console.ReadLine());
            if (outpath == 1)
            {
                for (int x1 = 0; x1 < dao; x1++)
                {
                    for (int x2 = 0; x2 < number; x2++)
                    {
                        if (kuohao[x1, x2] == 1)
                        {
                            Console.Write("(");
                            Console.Write(Data[x1, x2]);
                            if (Operator[x1, x2] != 5)
                            {
                                if (Operator[x1, x2] == 1)
                                {
                                    Console.Write("+");
                                }
                                if (Operator[x1, x2] == 2)
                                {
                                    Console.Write("-");
                                }
                                if (Operator[x1, x2] == 3)
                                {
                                    Console.Write("*");
                                }
                                if (Operator[x1, x2] == 4)
                                {
                                    Console.Write("/");
                                }

                            }

                        }
                        else
                        {
                            Console.Write(Data[x1, x2]);
                            if (Operator[x1, x2] != 5)
                            {
                                if (Operator[x1, x2] == 1)
                                {
                                    Console.Write("+");
                                }
                                if (Operator[x1, x2] == 2)
                                {
                                    Console.Write("-");
                                }
                                if (Operator[x1, x2] == 3)
                                {
                                    Console.Write("*");
                                }
                                if (Operator[x1, x2] == 4)
                                {
                                    Console.Write("/");
                                }

                            }
                            else
                            {
                                for (int x3 = 0; x3 < number; x3++)
                                {
                                    if (kuohao[x1, x3] == 1)
                                    {
                                        Console.Write(")");
                                    }
                                }
                                Console.Write("=");

                            }
                        }
                    }
                    Console.WriteLine();
                }
            }
            else
            {
                Console.WriteLine("请给出文件路径：");
                filepath = Console.ReadLine();
                path = @filepath;
                StreamWriter strm1 = File.CreateText(path);
                for (int x1 = 0; x1 < dao; x1++)
                {
                    for (int x2 = 0; x2 < number; x2++)
                    {
                        if (kuohao[x1, x2] == 1)
                        {
                            strm1.Write("(");
                            strm1.Write(Data[x1, x2]);
                            if (Operator[x1, x2] != 5)
                            {
                                if (Operator[x1, x2] == 1)
                                {
                                    strm1.Write("+");
                                }
                                if (Operator[x1, x2] == 2)
                                {
                                    strm1.Write("-");
                                }
                                if (Operator[x1, x2] == 3)
                                {
                                    strm1.Write("*");
                                }
                                if (Operator[x1, x2] == 4)
                                {
                                    strm1.Write("/");
                                }

                            }

                        }
                        else
                        {
                            strm1.Write(Data[x1, x2]);
                            if (Operator[x1, x2] != 5)
                            {
                                if (Operator[x1, x2] == 1)
                                {
                                    strm1.Write("+");
                                }
                                if (Operator[x1, x2] == 2)
                                {
                                    strm1.Write("-");
                                }
                                if (Operator[x1, x2] == 3)
                                {
                                    strm1.Write("*");
                                }
                                if (Operator[x1, x2] == 4)
                                {
                                    strm1.Write("/");
                                }

                            }
                            else
                            {
                                for (int x3 = 0; x3 < number; x3++)
                                {
                                    if (kuohao[x1, x3] == 1)
                                    {
                                        strm1.Write(")");
                                    }
                                }
                                strm1.Write("=");

                            }
                        }
                    }
                    strm1.WriteLine();
                }
                strm1.Close();

            }


        }
    }
}