c++面向对象程序设计课后习题答案(谭浩强版)

第一章5:#include<iostream>usingnamespacestd;intmain(){cout<<"This"<<"is";cout<<"a"<<"C++";cout<<"program."<<endl;return0;}6:#include<iostream>usingnamespacestd;intmain(){inta,b,c;a=10;b=23;c=a+b;cout<<"a+b=";cout<<c;cout<<endl;return0;}7:#include<iostream>usingnamespacestd;intmain(){inta,b,c;intf(intx,inty,intz);cin>>a>>b>>c;c=f(a,b,c);cout<<c<<endl;return0;}intf(intx,inty,intz){intm;if(x<y)m=x;elsem=y;if(z<m)m=z;return(m);}8:#include<iostream>usingnamespacestd;intmain(){inta,b,c;cin>>a>>b;c=a+b;cout<<"a+b="<<a+b<<endl;return0;}9:#include<iostream>usingnamespacestd;intmain(){intadd(intx,inty);inta,b,c;cin>>a>>b;c=add(a,b);cout<<"a+b="<<c<<endl;return0;}intadd(intx,inty){intc;c=x+y;return(c);}10:#include<iostream>usingnamespacestd;intmain(){voidsort(intx,inty,intz);intx,y,z;cin>>x>>y>>z;sort(x,y,z);return0;}voidsort(intx,inty,intz){inttemp;if(x>y){temp=x;x=y;y=temp;}intk=0;2-4-12-4-22-5-12-5-2Boxbox1Boxbox1core;for(inti=1;i<5;i++)if(arr[i].score>max_score){max_score=arr[i].score;k=i;}cout<<arr[k].num<<""<<max_score<<endl;}6:#include<iostream>usingnamespacestd;classStudent{public:Student(intn,floats):num(n),score(s){}voidchange(intn,floats){num=n;score=s;}voiddisplay(){cout<<num<<""<<score<<endl;}private:intnum;floatscore;};intmain(){Studentstud(101,;();(101,;();return0;}7:解法一#include<iostream>usingnamespacestd;classStudent{public:Student(intn,floats):num(n),score(s){}voidchange(intn,floats){num=n;score=s;}voiddisplay(){cout<<num<<""<<score<<endl;}otal();Product::display();return0;}10：#include<iostream>usingnamespacestd;classDate;classTime{public:Time(int,int,int);friendvoiddisplay(constDate&,constTime&);private:inthour;intminute;intsec;};Time::Time(inth,intm,ints){hour=h;minute=m;sec=s;}classDate{public:Date(int,int,int);friendvoiddisplay(constDate&,constTime&);private:intmonth;intday;intyear;};Date::Date(intm,intd,inty){month=m;day=d;year=y;}voiddisplay(constDate&d,constTime&t){cout<<<<"/"<<<<"/"<<<<endl;cout<<<<":"<<<<":"<<<<endl;}intmain(){Timet1(10,13,56);Dated1(12,25,2004);d