t1.showtime(); t2.settime(12,34); t2.showtime(); t3.settime(12); t3.showtime(); t4.settime(); t4.showtime(); return 0; }
4、
#include
int add(int xx,int yy); float add(float xx,float yy);
double add(double xx,double yy); void print(int z); void print(float z); void print(double z); private: int x1,y1,z1; float x2,y2,z2; double x3,y3,z3; };
int ADD::add(int xx,int yy) { x1=xx; y1=yy;
21
z1=x1+y1; return z1; }
float ADD::add(float xx,float yy) { x2=xx; y2=yy; z2=x2+y2; return z2; }
double ADD::add(double xx,double yy) { x3=xx; y3=yy; z3=x3+y3; return z3; }
void ADD:: print(int z) {
cout<< x1<<'\\t'<< y1<<'\\t'<< z< void ADD:: print(float z) { cout<< x2<<'\\t'<< y2<<'\\t'<< z< void ADD:: print(double z) { cout<< x3<<'\\t'<< y3<<'\\t'<< z< 22 { int m1; float m2; double m3; ADD a1,a2,a3; cout<<\请输入两个整型数:\ int d1,d2; cin>>d1>>d2; m1=a1.add(d1,d2); cout<<\ y z\ a1.print(m1); cout<<\请输入两个单精度实型数:\ float b1,b2; cin>>b1>>b2; m2=a2.add(b1,b2); cout<<\ y z\ a2.print(m2); cout<<\请输入两个双精度实型数:\ double c1,c2; cin>>c1>>c2; m3=a3.add(c1,c2); cout<<\ y z\ a3.print(m3); return 0; } 5、 #include int english,computer,total; public: void getscore(); 23 void display(); void sort(Student*); ~Student(); }; void Student::getscore() { cout<<\输入数学成绩:\ cin>>english; cout<<\输入语文成绩:\ cin>>computer; total=english+computer; } void Student::display() { cout<<\数学=\语文=\总分=\} void main() { Student *A[5],*tmp; int i,n=5; for (int j=0;j } for(j=0;j tmp=A[i];A[i]=A[i+1]=tmp; 24 }