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144 #include <iostream> using namespace std; class complexe { int reel,imag; static int nombre; public : static int getValue(); complexe(int r=0,int i=0):reel(r),imag(i) {nombre++;} ~complexe() {nombre--;} int& getReel() {return reel;} int& getImag() {return imag;} void affiche(); friend complexe operator+ (complexe c1,complexe c2); complexe operator= (complexe c); complexe operator+= (complexe c); friend int operator== (complexe c1,complexe c2); friend istream& operator>> (istream& i,complexe& c); friend ostream& operator<< (ostream& o,complexe& c); int& operator[] (int i); complexe operator++ (); complexe operator++ (int); operator int(); }; int complexe::nombre = 0; int complexe::getValue() { return nombre; } void complexe::affiche() { cout <<reel<<"+i"<<imag<<endl; } complexe operator+ (complexe c1,complexe c2) { complexe res; res.getReel() = c1.getReel() + c2.getReel(); res.getImag() = c1.getImag() + c2.getImag(); return(res); } complexe complexe::operator= (complexe c) { if(this != &c) { reel = c.reel; imag = c.imag; } return(*this); } complexe complexe::operator+= (complexe c) { reel += c.reel; imag += c.imag; return(*this); } int operator== (complexe c1,complexe c2) { if(c1.getReel() == c2.getReel() && c1.getImag() == c2.getImag()) return 1; return 0; } istream& operator>> (istream& i,complexe& c) { cout<<"Partie reel :\n"; i>>c.getReel(); cout<<"Partie imaginaire :\n"; i>>c.getImag(); return i; } ostream& operator<< (ostream& o,complexe& c) { o<<c.getReel()<<"+i"<<c.getImag()<<endl; return o; } int& complexe::operator[] (int i) { if(i==1) return(reel); return(imag); } complexe complexe::operator++ () { ++reel; ++imag; return(*this); } complexe complexe::operator++ (int i) { complexe tmp = *this; tmp.reel++; tmp.imag++; return(tmp); } complexe::operator int() { return reel; } /********************************/ int main() { complexe* c1 = new complexe(2,8); cout << complexe::getValue() << endl; complexe* c2 = new complexe(1,3); cout << complexe::getValue() << endl; complexe* c3 = new complexe(1,3); cout << complexe::getValue() << endl; *c3 = *c1 + *c2; cout << complexe::getValue() << endl; cout << *c1 << *c2 << *c3; delete c1; delete c2; delete c3; cout << complexe::getValue() << endl; return 0; } /********************************/ /**** ECRAN EXECUTION ***/ $ ./test 1 2 3 0 2+i8 1+i3 3+i11 -3
:tagcode::merci: