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#include<iostream.h>classcomplex{private:intr;inti;public:complex(){};voidinput(){cin>>r>>i;}complexoperator+(complext);complexoperator-(complext);voidoutput();};complexcomplex::operator+(complext){complexz;z.r=this->r+t.r;z.i=this->i+t.i;returnz;}complexcomplex::operator-(complext){complexz;z.r=this->r-t.r;z.i=this->i-t.i;returnz;}voidcomplex::output(){if((this->i)>0)cout<<"c"<<"="<<r<<"+"<<i<<"i"<<endl;elsecout<<"c"<<"="<<r<<"-"<<i*(-1)<<"i"<<endl;}#include<iostream.h>#include"complex2.h"voidmain(){complexa,b,c;a.input();b.input();c=a+b;c.output();c=a-b;c.output();}
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