标签:需要 style des com png for 计算 c++ sea
ABC
#include<iostream> using namespace std; class ABC { public: ABC(int a,int b); void add(); int getM(){ return m; } int getN(){ return n; } private: int m,n; } ; ABC::ABC(int a,int b):m(a),n(b){} void ABC::add() { cout<<(getM()+getN())<<endl; } class A:public ABC { public: A(int a,int b); void minus(); }; A::A(int a,int b):ABC(a,b){} void A::minus() { cout<<(getM()-getN())<<endl; } class B:public ABC { public: B(int a,int b); void sub(); }; B::B(int a,int b):ABC(a,b){} void B::sub() { cout<<(getM()*getN())<<endl; } class C:public ABC { public: C(int a,int b); void div(); }; C::C(int a,int b):ABC(a,b){}; void C::div() { cout<<(getM()/getN())<<endl; } int main() { int a,b; cin>>a>>b; ABC a0(a,b); cin>>a>>b; A a1(a,b); cin>>a>>b; B a2(a,b); cin>>a>>b; C a3(a,b); a0.add(); a1.add(); a1.minus(); a2.add(); a2.sub(); a3.add(); a3.div(); return 0; }
vehicle
#include<iostream> using namespace std; class vehicle { public: vehicle(double,double); void run(); void stop(); ~vehicle(); private: double maxspeed; double weight; }; vehicle:: vehicle(double a,double b):maxspeed(a),weight(b){} vehicle::~vehicle() { cout<<"Destructing vehicle"<<endl; } void vehicle::run() { cout<<"run"<<endl; } void vehicle::stop() { cout<<"stop"<<endl; } class bicycle:virtual public vehicle { public: bicycle(double a,double b,double c):height(a),vehicle(b,c){} ~bicycle() { cout<<"Destructing bicycle"<<endl; } private: double height; }; class motorcar:virtual public vehicle { public: motorcar(int a,double b,double c):seatnum(a),vehicle(b,c){} ~motorcar() { cout<<"Destructing motorcar"<<endl; } private: int seatnum; }; class motorcycle:public bicycle,public motorcar { public: motorcycle(double a,double b,double c,int d): vehicle(a,b),bicycle(a,b,c),motorcar(a,b,d){} }; int main() { double a,b,c; int d; cin>>a>>b>>c>>d; motorcycle A(a,b,c,d); A.run(); A.stop(); return 0; }
Fraction
#include<iostream> #include"Fraction.h" #include"iFraction.h" using namespace std; int main() { int q,w,e,r,t; Fraction f; f.show(); Fraction f0(5); f0.show(); cout<<"请分别输入您想进行计算的分数!"<<endl; do { cin>>q>>w; iFraction f1(q,w); f1.ishow(); cin>>e>>r; iFraction f2(e,r); f2.ishow(); cout<<"输入你想进行的运算方式,如+、-、*、/、b(表示比较大小):"<<endl; char c; cin>>c; switch(c) { case ‘+‘:f1+f2;break; case ‘-‘:f1-f2;break; case ‘*‘:f1*f2;break; case ‘/‘:f1/f2;break; case ‘b‘:f1.com(f2);break; } cout<<"如果你想进行下一轮运算,请输入一个非0数,如果不需要请摁0!"<<endl; cin>>t; }while(t!=0); cout<<"Thanks for using!"<<endl; return 0; }
#ifndef FRACTION_H_INCLUDED #define FRACTION_H_INCLUDED class Fraction { public: Fraction(); Fraction(int t,int b); Fraction(int t); int SL(int,int); void show(); void add(Fraction &f); void minus(Fraction &f); void mul(Fraction &f); void div(Fraction &f); void com(Fraction &f); void operator+(const Fraction &a); void operator-(const Fraction &a); void operator*(const Fraction &a); void operator/(const Fraction &a); int getx() { return top; } int gety() { return bot; } private: int top; int bot; }; #endif
#include<iostream> #include"Fraction.h" using namespace std; Fraction::Fraction():top(0),bot(1){} Fraction::Fraction(int t,int b):top(t),bot(b){} Fraction::Fraction(int t):top(t),bot(1){} int Fraction::SL(int x,int y) { int c; do { c=x%y; x=y; y=c; }while(c!=0); return x; } void Fraction::show() { int m; m=top/SL(top,bot); bot=bot/SL(top,bot); top=m; if(top<0) cout<<"-"<<top<<"/"<<bot<<endl; else if(top>0) cout<<"结果为:"<<top<<"/"<<bot<<endl; else cout<<"0"<<endl; } void Fraction::add(Fraction &f) { Fraction result; result.top=top*f.bot+f.top*bot; result.bot=bot*f.bot; result.show(); } void Fraction::minus(Fraction &f) { Fraction result; result.top=top*f.bot-f.top*bot; result.bot=bot*f.bot; result.show(); } void Fraction::mul(Fraction &f) { Fraction result; result.top=top*f.top; result.bot=bot*f.bot; result.show(); } void Fraction::div(Fraction &f) { Fraction result; result.top=top*f.bot; result.bot=bot*f.top; result.show(); } void Fraction::com(Fraction &f) { double m,n,a; m=top/bot; n=f.top/f.bot; a=m-n; if(a>0) cout<<"m大于n"<<endl; else if(a=0) cout<<"m等于n"<<endl; else cout<<"m小于n"<<endl; } void Fraction::operator+(const Fraction &f) { Fraction result; result.top=top*f.bot+f.top*bot; result.bot=bot*f.bot; result.show(); } void Fraction::operator-(const Fraction &f) { Fraction result; result.top=top*f.bot-f.top*bot; result.bot=bot*f.bot; result.show(); } void Fraction::operator*(const Fraction &f) { Fraction result; result.top=top*f.top; result.bot=bot*f.bot; result.show(); } void Fraction::operator/(const Fraction &f) { Fraction result; result.top=top*f.bot; result.bot=bot*f.top; result.show(); }
#ifndef IFRACTION_H_INCLUDED #define IFRACTION_H_INCLUDED #include"Fraction.h" class iFraction:public Fraction { public: iFraction(int,int); void ishow(); friend class Fraction; }; #endif
#include<iostream> #include"iFraction.h" using namespace std; iFraction::iFraction(int a,int b):Fraction(a,b){} void iFraction::ishow() { int m,n; if(getx()>gety()) { m=getx()/gety(); n=getx()%gety(); cout<<" "<<n<<endl<<m<<‘-‘<<endl<<" "<<gety()<<endl; } else cout<<getx()<<‘/‘<<gety()<<endl; }
标签:需要 style des com png for 计算 c++ sea
原文地址:https://www.cnblogs.com/shenleideblog/p/9108069.html