实验6
1 #include<iostream> 2 using namespace std; 3 class vehicle{ 4 public: 5 vehicle(int m,int w):maxspeed(m),weight(w){ 6 } 7 void run(){ 8 cout<<"run"<<endl; 9 } 10 void stop(){ 11 cout<<"stop"<<endl; 12 } 13 private: 14 int maxspeed, weight; 15 }; 16 class bicycle:virtual public vehicle{ 17 public: 18 bicycle(int m,int w,int h):height(h),vehicle(m,w){ 19 } 20 private: 21 int height; 22 }; 23 class motorcar:virtual public vehicle{ 24 public: 25 motorcar(int m,int w,int s):seatnum(s),vehicle(m,w){ 26 } 27 private: 28 int seatnum; 29 }; 30 class motorcycle:public bicycle,public motorcar{ 31 public: 32 motorcycle(int m,int w,int h,int s):bicycle(m,w,h),motorcar(m,w,s),vehicle(m,w){ 33 } 34 }; 35 36 37 38 #include "vehicle.h" 39 #include<iostream> 40 using namespace std; 41 int main(){ 42 motorcycle m(1,1,1,1); 43 m.run(); 44 m.stop(); 45 }
1 #include<iostream> 2 using namespace std; 3 class T{ 4 public: 5 void init(int x,int y){ 6 this->x=x; 7 this->y=y; 8 } 9 int plus(){ 10 return x+y; 11 } 12 protected: 13 int x,y; 14 }; 15 class A:public T{ 16 public: 17 void Ainit(int n,int m){ 18 init(n,m); 19 this->n=n; 20 this->m=m; 21 } 22 int min(){ 23 return n-m; 24 } 25 private: 26 int n,m; 27 }; 28 class B:public T{ 29 public: 30 void Binit(int n,int m){ 31 init(n,m); 32 this->n=n; 33 this->m=m; 34 } 35 int chen(){ 36 return n*m; 37 } 38 private: 39 int n,m; 40 }; 41 class C:public T{ 42 public: 43 44 void Cinit(int n,int m){ 45 init(n,m); 46 this->n=n; 47 this->m=m; 48 } 49 int chu(){ 50 return n/m; 51 } 52 private: 53 int n,m; 54 }; 55 int main(){ 56 A a; 57 a.Ainit(1,2); 58 cout<<a.plus()<<" "<<a.min()<<endl; 59 B b; 60 b.Binit(3,4); 61 cout<<b.plus()<<" "<<b.chen()<<endl; 62 C c; 63 c.Cinit(12,6); 64 cout<<c.plus()<<" "<<c.chu()<<endl; 65 }
1 #include <iostream> 2 using namespace std; 3 class Franction{ 4 public: 5 Franction(int t,int b); 6 void draw(); 7 int gettop(){ 8 return top; 9 } 10 int getbottom(){ 11 return bottom; 12 } 13 private: 14 int top; 15 int bottom; 16 }; 17 Franction::Franction(int t,int b):top(t),bottom(b){ 18 } 19 void Franction::draw(){ 20 int t1,t2,n,b1; 21 if(bottom<0){ 22 bottom=-bottom; 23 top=-top; 24 } 25 if(top==0){ 26 cout<<0<<endl; 27 return; 28 } 29 else if(top<0) 30 t1=-top; 31 else 32 t1=top; 33 b1=bottom; 34 t2=t1; 35 while(t1%b1>0){ 36 n=t1%b1; 37 t1=b1; 38 b1=n; 39 } 40 if(t2%bottom==0) 41 cout<<top/bottom<<endl; 42 else 43 cout<<top/b1<<"/"<<bottom/b1<<endl; 44 } 45 Franction operator+(Franction& f,Franction& g){ 46 int m,n; 47 m=f.gettop()*g.getbottom()+g.gettop()*f.getbottom(); 48 n=f.getbottom()*g.getbottom(); 49 Franction h(m,n); 50 return h; 51 } 52 Franction operator-(Franction& f,Franction& g){ 53 int m,n; 54 m=f.gettop()*g.getbottom()-g.gettop()*f.getbottom(); 55 n=f.getbottom()*g.getbottom(); 56 Franction h(m,n); 57 return h; 58 } 59 Franction operator*(Franction& f,Franction& g){ 60 int m,n; 61 m=f.gettop()*g.gettop(); 62 n=f.getbottom()*g.getbottom(); 63 Franction h(m,n); 64 return h; 65 } 66 Franction operator/(Franction& f,Franction& g){ 67 int m,n; 68 m=f.gettop()*g.getbottom(); 69 n=f.getbottom()*g.gettop(); 70 Franction h(m,n); 71 return h; 72 } 73 int main() { 74 int n,m; 75 Franction b(1,2); 76 cout<<"b="; 77 b.draw(); 78 Franction c(1,4); 79 cout<<"c="; 80 c.draw(); 81 Franction a=b+c; 82 cout<<"b+c="; 83 a.draw(); 84 Franction d=b-c; 85 cout<<"b-c="; 86 d.draw(); 87 Franction e=b*c; 88 cout<<"b*c="; 89 e.draw(); 90 Franction f=b/c; 91 cout<<"b/c="; 92 f.draw(); 93 return 0; 94 }
