Question

求C++编程高手帮忙做几个题。

1.写一个程序:输入字符串的数字,转换成数字输出屏幕

2.写一个程序:输入二进制,输入8进制,输入16进制数,转换成10进制数输出

3.用操作符重载,写一个NUMBER类,实现四则运算

4.写INTARRAY,浅拷贝和深度拷贝

5.STRING类

6.写一个SHAPE类,实现继承和多态

Answer 1

第6个问题,我把我上学期作的实验给你吧:
#include <iostream.h>

class Shape
{
protected:
double radius;
public:
Shape(double r)
{
radius=r;
}
virtual double area()=0;
virtual double volume()=0;
virtual void print()=0;
};

class Cube:public Shape
{
public:
Cube(double r):Shape(r)
{
}
double area()
{
return (6*radius*radius);
}
double volume()
{
return (radius*radius*radius);
}
void print()
{
cout<<"Cube area is: "<<this->area()<<endl;
cout<<"Cube volume is: "<<this->volume()<<endl;
}
};

class Sphere:public Shape
{
public:
Sphere(double r):Shape(r)
{
}
double area()
{
return (4*3.14*radius*radius);
}
double volume()
{
return (4*3.14*radius*radius*radius/3);
}
void print()
{
cout<<"Sphere area is: "<<this->area()<<endl;
cout<<"Sphere volume is: "<<this->volume()<<endl;
}
};

class Cylinder:public Shape
{
protected:
double height;
public:
Cylinder(double r,double h):Shape(r)
{height=h;}
double area()
{
return (height*2*3.14*radius+2*3.14*radius*radius);
}
double volume()
{
return (2*3.14*radius*radius*height);
}
void print()
{
cout<<"Cylinder area is: "<<this->area()<<endl;
cout<<"Cylinder volume is: "<<this->volume()<<endl;
}
};

Main函数自己写吧，我调试过，是对的，放心^_^

Answer 2

1,
#include<iostream.h>
void main()
{ char *a,i;
int b;
gets(a);
for(i=0;i<strlen(a);i++)
{
b=*(a+i)-48;
printf("%d ",b);
}
}
2.

Answer 3

啥意思....
你啥时候开始研究这个勒...