YTU 2440: C++习题 复数类--重载运算符+,-,*,/
2440: C++习题 复数类--重载运算符+,-,*,/
时间限制: 1 Sec
内存限制: 128 MB
提交: 1189
解决: 774
题目描述
定义一个复数类Complex,重载运算符“+”,“-”,“*”,“/”,使之能用于复数的加、减、乘、除。运算符重载函数作为Complex类的成员函数。编写程序,分别求两个复数之和、差、积和商。
输入
两个复数
输出
两个复数之和、差、积和商
样例输入
3 45 -10
样例输出
c1+c2=(8.00,-6.00i)c1-c2=(-2.00,14.00i)c1*c2=(55.00,-10.00i)c1/c2=(-0.20,0.40i)
提示
前置代码及类型定义已给定如下,提交时不需要包含,会自动添加到程序前部
/* C++代码 */ #include #include using namespace std; class Complex { public: Complex(); Complex(double r,double i); Complex operator+(Complex &c2); Complex operator-(Complex &c2); Complex operator*(Complex &c2); Complex operator/(Complex &c2); void display(); private: double real; double imag; };
主函数已给定如下,提交时不需要包含,会自动添加到程序尾部
/* C++代码 */ int main() { double real,imag; cin>>real>>imag; Complex c1(real,imag); cin>>real>>imag; Complex c2(real,imag); cout<迷失在幽谷中的鸟儿,独自飞翔在这偌大的天地间,却不知自己该飞往何方……
#include #include using namespace std;class Complex{public: Complex(); Complex(double r,double i); Complex operator+(Complex &c2); Complex operator-(Complex &c2); Complex operator*(Complex &c2); Complex operator/(Complex &c2); void display();private: double real; double imag;};Complex::Complex(){ real=0; imag=0;}Complex::Complex(double r,double i){ real=r; imag=i;}Complex Complex::operator-(Complex &c2){ Complex c; c.real=real-c2.real; c.imag=imag-c2.imag; return c;}Complex Complex::operator +(Complex &c2){ Complex c; c.real=real+c2.real; c.imag=imag+c2.imag; return c;}Complex Complex::operator /(Complex &c2){ Complex c; c.real=(real*c2.real+imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag); c.imag=(imag*c2.real-real*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag); return c;}Complex Complex::operator *(Complex &c2){ Complex c; c.real=real*c2.real-imag*c2.imag; c.imag=imag*c2.real+real*c2.imag; return c;}void Complex::display(){ cout<<"("<>real>>imag; Complex c1(real,imag); cin>>real>>imag; Complex c2(real,imag); cout<
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