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最新推荐文章于 2024-09-11 11:00:10 发布

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最新推荐文章于 2024-09-11 11:00:10 发布

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分类专栏：小时候的代码

本文链接：https://blog.youkuaiyun.com/pingzongyuying/article/details/8827210

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#include<iostream>
using namespace std;
class  CFraction{
private:
int nume;
    int deno;
public:
CFraction(int n=1,int d=1):nume(n),deno(d){};
    CFraction  operator+(CFraction &c);
    CFraction  operator-(CFraction &c);
    CFraction  operator*(CFraction &c);
    CFraction  operator/(CFraction &c);
    CFraction  operator-();
    bool  operator>(CFraction &c);
    CFraction  simply(CFraction &c);
    friend int divisor(CFraction &c);
    friend int multiple(CFraction &c);
    void display();
};
CFraction CFraction::operator+(CFraction &c){
      CFraction a;
     a.deno=deno*c.deno;
      a.nume=nume*c.deno+c.nume*deno;
      a=simply(a);
      return a;

  }
CFraction  CFraction::operator-(CFraction &c){
      CFraction a;
      a.deno=deno*c.deno;
      a.nume=nume*c.deno-c.nume*deno;
      a=simply(a);
      return a;


}
CFraction  CFraction::operator*(CFraction &c){
    CFraction a;
    a.deno=deno*c.deno;
    a.nume=nume*c.nume;
    a=simply(a);
      return a;
}
CFraction  CFraction::operator/(CFraction &c){
    CFraction a;
    a.nume=nume*c.deno;
    a.deno=deno*c.nume;
    a=simply(a);
      return a;
}
CFraction  CFraction::operator-(){
     CFraction a;
    a.deno=nume;
    a.nume=deno;
    a=simply(a);
      return a;
}
bool CFraction::operator>(CFraction &c){
    if(nume/deno>c.nume/c.deno)
    return true;
    else
    return false;

}
CFraction  CFraction::simply(CFraction &c){
      CFraction a;
    int b=divisor(c);
    a.nume=c.nume/b;
    a.deno=c.deno/b;
    return a;
    }
int divisor(CFraction &c){
     int n=min(c.deno,c.nume);
    for(int i=n;i>=0;i--){
        if(c.deno%i==0 && c.nume%i==0){
          return i;
          break;
        }
    }
}
/*int multiple(CFraction &c){
  int n=max(c.deno,deno);
   while(n>0){
    if(n%c.deno==0 && n%deno==0){
        return n;
        break;
    }else{
    n++;
    }

   }


}
*/
void CFraction::display(){

cout<<nume<<"/"<<deno<<endl;
}
int main(){
   CFraction t1(3,4),t2(3,2),t3,t4,t5;
  cout<<"t1+t2=";
   t3=t1+t2;
   t3.display();
   cout<<"t2-t1=";
   t3=t2-t1;
   t3.display();
   cout<<"t1*t2=";
   t3=t1*t2;
   t3.display();
   cout<<"t1/t2=";
   t3=t1/t2;
   t3.display();
   cout<<"去倒数";
   t3=-t1;
   t3.display();
   if(t1>t2){
  cout<<"t1>t2"<<endl;
   }else{
   cout<<"t1<t2"<<endl;
   }
  return 0;
}

运行结果：