1、运算符重载
#include <iostream>using namespace std;class complex{int rel;int vir;public:complex(){}complex(int rel,int vir):rel(rel),vir(vir){}void show(){cout << rel << "+" << vir << "i" << endl;}//算数运算符重载//+//complex operator+(complex c1);friend complex operator+(const complex c1,const complex c2);complex operator-(complex c1);friend complex operator-(const complex c1,const complex c2);//*complex operator*(complex c1);friend complex operator*(const complex c1,const complex c2);//%complex operator%(complex c1);friend complex operator%(const complex c1,const complex c2);// 关系运算符//>//bool operator>(complex c1);friend bool operator>(const complex c1,const complex c2);//<// bool operator<(complex c1);friend bool operator<(const complex c1,const complex c2);//>=bool operator>=(complex c1);//friend operator>=(const complex c1,const complex c2);// <=//bool operator<=(complex c1);friend bool operator<=(const complex c1,const complex c2);// !=bool operator!=(complex c1);//逻辑运算符//&&bool operator&&(complex c1);//++friend complex operator++(complex c1,int);//<<friend ostream &operator<<(ostream &out,complex c1);//>>friend istream &operator >>(istream &in,complex &c1);//friend bool operator^(const complex c1,const complex c2);//~friend int operator~(const complex c1);};//算术运算符重载//+//complex complex::operator+(complex c1)//{// complex temp;// temp.rel=this->rel+c1.rel;// temp.vir=this->vir+c1.vir;// return temp;//}complex operator+(const complex c1,const complex c2){complex temp;temp.rel=c1.rel+c2.rel;temp.vir=c1.vir+c2.vir;return temp;}//-complex complex::operator-(complex c1){complex temp;temp.rel=this->rel-c1.rel;temp.vir=this->vir-c1.vir;return temp;}complex operator-(const complex c1,const complex c2){complex temp;temp.rel=c1.rel-c2.rel;temp.vir=c2.vir-c2.vir;return temp;}//*complex complex::operator*(complex c1){complex temp;temp.rel=this->rel*c1.rel;temp.vir=this->vir*c1.vir;return temp;}complex operator*(const complex c1,const complex c2){complex temp;temp.rel=c1.rel*c2.rel;temp.vir=c2.vir*c2.vir;return temp;}//%complex complex::operator%(complex c1){complex temp;if(c1.rel==0||c1.vir==0){cout << "分母错误" << endl;}temp.rel=this->rel%c1.rel;temp.vir=this->vir%c1.vir;return temp;}complex operator%(const complex c1,const complex c2){complex temp;if(c2.rel==0||c2.vir==0){cout << "分母错误" << endl;}temp.rel=c1.rel%c2.rel;temp.vir=c1.vir%c2.vir;return temp;}//关系运算符// >//bool complex::operator>(complex c1)//{// return this->rel>c1.rel;//}bool operator>(const complex c1,const complex c2){return c1.rel>c2.rel;}// <//bool complex::operator<(complex c1)//{// return this->rel<c1.rel;//}bool operator<(const complex c1,const complex c2){return c1.rel<c2.rel;}//>=bool complex::operator>=(complex c1){if(this->rel>=c1.rel){if(this->rel==c1.rel){return this->vir==c1.vir;}else{return this->rel>c1.rel;}}else{return this->rel>c1.rel;}}// <=bool operator<=(const complex c1,const complex c2){if(c1.rel<=c2.rel){if(c1.rel==c2.rel){return c1.vir==c2.vir;}else{return c1.rel<=c2.rel;}}else{return c1.rel<=c2.rel;}}//！=bool complex::operator!=(complex c1){return this->rel!=c1.rel||this->vir!=c1.vir;}//逻辑运算符//&&bool complex ::operator&&(complex c1){return (this->rel&&c1.rel)||(this->vir&&c1.vir);}//++complex operator++(complex c1,int){complex temp;temp.rel=c1.rel++;temp.vir=c1.vir++;return temp;}//<<ostream &operator<<(ostream &out,complex c1){out<< c1.rel << "+" << c1.vir << "i" <<endl;return out;}//>>istream &operator >>(istream &in,complex &c1){in >> c1.rel >> c1.vir;return in;}//^bool operator^(const complex c1,const complex c2){if(c1.rel == c2.rel)return false;elsereturn true;}//~int operator~(const complex c1){int temp(~c1.rel);return temp;}int main(){complex a1(1,5),a2(3,5);// complex a3=a1+a2;// a3.show();complex a3=operator+(a1,a2);a3.show();//complex a4=a1-a2;// a4.show();complex a4=operator-(a1,a2);a4.show();//*// complex a5=a1*a2;// a5.show();complex a5=operator*(a1,a2);a5.show();//%// complex a6=a1%a2;// a6.show();complex a6=operator%(a1,a2);a6.show();//关系运算符// >cout << (a1>a2) << endl;// <cout << (a1<a2) << endl;cout << (a1>=a2) << endl;cout << (a1<=a2) << endl;cout << (a1&&a2) <<endl;complex a7=a1++;a7.show();cout << "out=" << a1 << endl;cin >> a5 >>a6;cout << (a1^a2) << endl;int b1=10;int b2=~b1;cout << "~b1" << b2 << endl;cout << "Hello World!" << endl;return 0;}
2、思维导图
