c++ operator

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c++ operator
定义一个class > my_int
下面提供MAIN函数参数,哪位高手帮我把CLASS完成?
int main(void){
my_int a,b,c;
my_int plus,minus,product,divide,asso;
cin >> a;
cin >> b;
cin >> c;
plus = a+b;
minus = a-b;
product = a*b;
divide = a/b;
asso = a*b-c;
cout

给你一段代码,已经测试过的了,给我最佳啊
#include
#include
using namespace std;
class my_int
{
public:
my_int(){};
my_int (double m)
{
n = m;
}
my_int operator + (const my_int& a);
my_int operator - (const my_int& a);
my_int operator * (const my_int& a);
my_int operator / (const my_int& a);
friend ostream & operator > (istream &,my_int &);
double n;
};
my_int my_int::operator + (const my_int& a)
{
return my_int(n + a.n);
}
my_int my_int::operator - (const my_int& a)
{
return my_int(n - a.n);
}
my_int my_int::operator * (const my_int& a)
{
return my_int(n * a.n);
}
my_int my_int::operator / (const my_int& a)
{
return my_int(n / a.n);
}
ostream & operator >p.n;
return input;
}
int main()
{
my_int a, b, c;
my_int plus, minus, product, divide, asso;
cin >> a;
cin >> b;
cin >> c;
plus = a+b;
minus = a-b;
product = a*b;
divide = a/b;
asso = a*b-c;
cout

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