摘要：
#include using namespace std; class over{ int i1 , i2 ,i3;public: void init(int I1=0 , int I2 =0, int I3=0); void print();public: over operator ++();//前缀 over operator++(int);//后缀 friend over operator--(over &);//友元前缀 friend over operator--(over & , int );//友元后缀};void over::init(int I1 , int 阅读全文
