c编程题库（word版）

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1、31．定义盒子Box类，要求具有以下成员：长、宽、高分别为x,y,z，可设置盒子形状；可计算盒子体积；可计算盒子的表面积。#include#includeusingnamespacestd;classBox{public:intweight;intlength;inthight;voidbox_shape(intw,intl,inth);intbox_volume(intw,intl,inth);intbox_area(intw,intl,inth);};intmain(){Boxmybox;cout<<"PleaseEnterweightandl

2、engthandhight:";cin>>mybox.weight>>mybox.length>>mybox.hight;intbox_v,box_a;mybox.box_shape(mybox.weight,mybox.length,mybox.hight);box_v=mybox.box_volume(mybox.weight,mybox.length,mybox.hight);cout<<"Thisbox'svolume="<

3、"Thisbox'sarea="<

4、，20。分别求他们的体积。编一个基于对象的程序，在类中用带参数的构造函数。#includeclassBox{private:intlength;intweight;inthight;public:Box(int,int,int);intvolume();};intmain(){usingnamespacestd;Boxmybox1(30,20,10);cout<<"ThefirstBox'svolume="<

5、volume()<classBox{private:intlength;intwight;intheight;public:Box();

6、Box(int,int,int);intvolume();};intmain(){usingnamespacestd;Boxmybox1;cout<<"Thefirstbox'svolume="<

7、ntBox::volume(){returnlength*wight*height;}33．声明一个类模板，利用它分别实现两个整数、浮点数和字符的比较，求出大数和小数。【第61页共61页】#includeusingnamespacestd;templateclassCompare{public:Compare(numtypea,numtypeb){x=a;y=b;}numtypemax