【无标题】来华清的第好几天

#include 

 

using namespace std;

class stu

{

private:

    int age1;

    int age2;

   mutable bool compare;

public:

    stu()

    {}

    stu(int age1,int age2):age1(age1),age2(age2)

    {}

    //类中成员实现大于>运算符的操作

    const bool operator>(const stu &other)const

    {

        if(age1>other.age1&&age2>other.age2)

        {

            compare=true;

        }

        else

        {

            compare=false;

        }

        return compare;

    }

    //类中成员实现小于<运算符的操作

    const bool operator<(const stu &other)const

    {

        if(age1 
  
        {
 
  
            compare=true;
 
  
        }
 
  
        else
 
  
        {
 
  
            compare=false;
 
  
        }
 
  
        return compare;
 
  
 
  
    }
 
  
    //类中成员实现大于>=运算符的操作
 
  
    const bool operator>=(const stu &other)const
 
  
    {
 
  
        if(age1>=other.age1&&age2>=other.age2)
 
  
        {
 
  
            compare=true;
 
  
        }
 
  
        else
 
  
        {
 
  
            compare=false;
 
  
        }
 
  
        return compare;
 
  
 
  
    }
 
  
    //类中成员实现小于等于<=运算符的操作
 
  
    const bool operator<=(const stu &other)const
 
  
    {
 
  
        if(age1<=other.age1&&age2<=other.age2)
 
  
        {
 
  
            compare=true;
 
  
        }
 
  
        else
 
  
        {
 
  
            compare=false;
 
  
        }
 
  
        return compare;
 
  
 
  
    }
 
  
    //类中成员实现等于==运算符的操作
 
  
    const bool operator==(const stu &other)const
 
  
    {
 
  
        if(age1==other.age1&&age2==other.age2)
 
  
        {
 
  
            compare=true;
 
  
        }
 
  
        else
 
  
        {
 
  
            compare=false;
 
  
        }
 
  
        return compare;
 
  
 
  
    }
 
  
    //类中成员实现不等于!=运算符的操作
 
  
    const bool operator!=(const stu &other)const
 
  
    {
 
  
        if(age1!=other.age1&&age2!=other.age2)
 
  
        {
 
  
            compare=true;
 
  
        }
 
  
        else
 
  
        {
 
  
            compare=false;
 
  
        }
 
  
        return compare;
 
  
 
  
    }
 
  
    void fun()
 
  
    {
 
  
        cout<<"age1="< 
  
         cout<<"age2="< 
  
    }
 
  
};
 
  
int main(int argc, char *argv[])
 
  
{
 
  
    bool compare;
 
  
    stu a(1,1);
 
  
    stu b(1,1);
 
  
    if((b==a))
 
  
    {
 
  
        cout<<"true"< 
  
    }
 
  
    else
 
  
    {
 
  
        cout<<"false"< 
  
    }
 
  
 
  
 
  
    return 0;
 
  
}