实验二

#include <iostream>
#include <math.h>
#include <time.h>
using namespace std;
int c1=0,c2=0;
int display1(int k,int x,int y,int m,int shuzhi)     //含有加减乘除法
{
    double jieguo;
    if(m==0)
    {
        cout<<"("<<k<<")"<<x<<" + "<<y<<" = ";
        cin>>jieguo;
        if(jieguo==x+y)
        {
            cout<<"    回答正确！"<<endl;
            return c1++;
        }
        else
        {
            cout<<"    回答错误！"<<endl;
            return c2++;
        }
    }
    
    if(m==1)
    {
        cout<<"("<<k<<")"<<x<<" - "<<y<<" = ";
        cin>>jieguo;
        if(jieguo==x-y)
        {
            cout<<"    回答正确！"<<endl;
            return c1++;
        }
        else
        {
            cout<<"    回答错误！"<<endl;
            return c2++;
        }
    }
    if(m==2)
    {
        cout<<"("<<k<<")"<<x<<" x "<<y<<" = ";
        cin>>jieguo;
        if(jieguo==x*y)
        {
            cout<<"    回答正确！"<<endl;
            return c1++;
        }
        else
        {
            cout<<"    回答错误！"<<endl;
            return c2++;
        }
    }
    if(m==3)
    {
        if(y==0)
        {
            do
            {
                while(y!=0)
                {
                    y=rand()%(shuzhi+1);
                }
            }while( y==0 );
        }
        else
        {
            cout<<"("<<k<<")"<<x<<" / "<<y<<" = ";
            cin>>jieguo;
            if(jieguo==x*y)
            {
                cout<<"    回答正确！"<<endl;
                return c1++;
            }
            else
            {
                cout<<"    回答错误！"<<endl;
                return c2++;
            }
        }
    }
}

int display2(int k,int x,int y,int m,int shuzhi)     //含有加减
{
    double jieguo;
    if(m==0)
    {
        cout<<"("<<k<<")"<<x<<" + "<<y<<" = ";
        cin>>jieguo;
        if(jieguo==x+y)
        {
            cout<<"    回答正确！"<<endl;
            return c1++;
        }
        else
        {
            cout<<"    回答错误！"<<endl;
            return c2++;
        }
    }
    if(m==1)
    {
        cout<<"("<<k<<")"<<x<<" + "<<y<<" = ";
        cin>>jieguo;
        if(jieguo==x+y)
        {
            cout<<"    回答正确！"<<endl;
            return c1++;
        }
        else
        {
            cout<<"    回答错误！"<<endl;
            return c2++;
        }
    }
}
int main()
{
    int number;     //number表示订制的题的份数
    int xuanze;     //xuanze用来做判断是否有乘除法，0表示无，1表示有
    int shuzhi;     //shuzhi表示参与运算的数值范围，比如0-100等
    int fushu;      //fushu表示运算结果是否存在负数的情况，0表示无，1表示有
    //在自然数中，只有减法结果可能有负数存在
    int yushu;      //fushu表示运算结果有无余数，0表示无，1表示有
    int geshu;      //geshu表示每行打印的运算式的个数
    int a[30],b[30],m1[30],m2[30];
    
    srand( (unsigned)time( NULL ) ); 
    cout<<endl;
    cout<<"                         $ 欢迎来到答题订制系统 $"<<endl;
    cout<<endl;
    cout<<"     在负数和余数的判断时，0表示无，1表示有，其他数值则默认为1"<<endl;
    cout<<"Start:"<<endl;
    cout<<"     请输入订制的份数：";
    cin>>number;
    cout<<endl;
    cout<<"     请输入数值范围：0-";
    cin>>shuzhi;
    cout<<endl;
    for(int k=1;k<=number;k++)
    {
        cout<<"-----------------------------------------------------------------------------"<<endl;
        cout<<endl;
        cout<<"第"<<k<<"份题如下："<<endl;
        cout<<"*****************************************************************************"<<endl;
        cout<<endl;
        cout<<"                 是否含有乘除法(0表示无，1表示有)，请选择：                  "<<endl;
        cout<<endl;
        cout<<"*****************************************************************************"<<endl;
        cout<<endl;       
        cout<<"我的选择：";
        cin>>xuanze;      
        cout<<endl;
        if(xuanze==1)
        {
            cout<<"*****************************************************************************"<<endl;
            cout<<endl;
            cout<<"          1 是否含可能有负数的结果(0表示无，1表示有)，请输入你的选择："<<endl;
            cout<<endl;
            cout<<endl;
            cout<<"          2 是否含可能有余数的结果(0表示无，1表示有)，请输入你的选择："<<endl;
            cout<<endl;
            cout<<"*****************************************************************************"<<endl;
            cout<<endl;
            cout<<"对1的选择(0/1):";
            cin>>fushu;
            cout<<endl;
            cout<<"对2的选择(0/1):";
            cin>>yushu;
            cout<<endl;
            cout<<"-----------------------------------------------------------------------------"<<endl;
            cout<<endl;
            for(int i=1;i<=30;i++)
            {
                a[i]=rand()%(shuzhi+1);
                b[i]=rand()%(shuzhi+1);
                m1[i]=rand()%4;

                for(int j=1;j<=i-1;j++)
                {
                    if(a[i]==a[j]&&b[i]==b[j]&&m1[i]==m1[j])
                    {
                        do
                        {
                            a[i]=rand()%(shuzhi+1);
                             b[i]=rand()%(shuzhi+1);
                        }while(a[i]==a[j]&&b[i]==b[j]&&m1[i]==m1[j]);
                    }
                }
                if((fushu==1&&m1[i]==1)||(yushu==1&&m1[i]==3))
                {
                    display1(i,a[i],b[i],m1[i],shuzhi);
                }
                else if(yushu==0&&m1[i]==3)
                {
                    if(a[i]%b[i]==0)
                    {
                        display1(i,a[i],b[i],m1[i],shuzhi);
                    }
                    else
                    {
                        do
                        {
                            a[i]=rand()%(shuzhi+1);
                            b[i]=rand()%(shuzhi+1);
                            while(b[i] == 0)
                            {
                                b[i]=rand()%(shuzhi+1);
                            }
                        }while( a[i]%b[i]!=0 );
                            display1(i,a[i],b[i],m1[i],shuzhi);
                    }
                }
                else if(fushu==0&&m1[i]==1)
                {
                    if(a[i]>=b[i])
                    {
                        display1(i,a[i],b[i],m1[i],shuzhi);
                    }
                    else
                    {
                        do
                        {
                            a[i]=rand()%(shuzhi+1);
                            b[i]=rand()%(shuzhi+1);
                        }while(a[i]<b[i]);
                            display1(i,a[i],b[i],m1[i],shuzhi);
                    }
                }
                else 
                {
                    display1(i,a[i],b[i],m1[i],shuzhi);
                }
                if(i%geshu==0)
                {
                    cout<<endl;
                }
                if(i==30)
                {
                    cout<<endl;
                }
            }                    
        }
        else if(xuanze==0)         //没有乘除法存在，只需要判断有无负数结果产生
        {
            cout<<"*****************************************************************************"<<endl;
            cout<<endl;
            cout<<"          是否含可能有负数的结果(0表示无，1表示有)，请输入你的选择："<<endl;
            cout<<endl;
            cout<<"*****************************************************************************"<<endl;
            cout<<endl;
            cout<<"我的选择：";
            cin>>fushu;
            cout<<"-----------------------------------------------------------------------------"<<endl;
            cout<<endl;
            for(int i=1;i<=30;i++)
            {
                a[i]=rand()%(shuzhi+1);
                b[i]=rand()%(shuzhi+1);
                m2[i]=rand()%2;

                for(int j=1;j<=i-1;j++)
                {
                    if(a[i]==a[j]&&b[i]==b[j]&&m2[i]==m2[j])
                    {
                        do
                        {
                            a[i]=rand()%(shuzhi+1);
                             b[i]=rand()%(shuzhi+1);
                        }while(a[i]==a[j]&&b[i]==b[j]&&m2[i]==m2[j]);
                    }
                }
                if(fushu==0)
                {
                    if(a[i]>=b[i])
                    {
                        display2(i,a[i],b[i],m2[i],shuzhi);
                    }
                    else             //当没有负数结果时，应是a>=b,条件不满足时，则系统再随机生成俩随机数，条件满足时进行输出
                    {
                        do
                        {
                            a[i]=rand()%(shuzhi+1);
                            b[i]=rand()%(shuzhi+1);
                        }while(a[i]<b[i]);
                        display2(i,a[i],b[i],m2[i],shuzhi);
                    }    
                }
                else
                {
                    display2(i,a[i],b[i],m2[i],shuzhi);
                }
                if(i%geshu==0)
                {
                    cout<<endl;
                }
                   if(i==30)
                {
                    cout<<endl;
                }
            }
        }
        else
        {
            cout<<"*****************************************************************************"<<endl;
            cout<<endl;
            cout<<"                       输入错误，请重新输入！"<<endl;
            cout<<endl;
            cout<<"*****************************************************************************"<<endl;
            cout<<endl;
            k=k-1;
        }
        cout<<endl;
        cout<<"正确题数为:"<<c1<<"\t"<<"错误题数为:"<<c2<<endl;
        cout<<"-----------------------------------------------------------------------------"<<endl;
        cout<<endl;
        cout<<"--------------$----------------$---------------$--------------$--------------"<<endl;
    }
    cout<<endl;
    cout<<"                $ 感谢您使用答题订制系统，欢迎下次再来 $"<<endl;
    cout<<endl;

    return 0;
}

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