文件名称:22
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2、 编写一个程序计算出球、圆柱和圆锥的表面积和体积。
a) 要求：
i. 定义一个基类圆，至少含有一个数据成员半径；
ii. 定义基类的派生类球、圆柱、圆锥，都含有求表面积和体积的成员函数和输出函数。
iii. 定义主函数，求球、圆柱、圆锥的和体积。
-2, write a program to calculate the ball, cylindrical and conical surface area and volume. a) asked: i. defining a base class circle, has at least one data member radius ii. the definition of base class of derived classes sphere, cylinder, cone, surface area and volume contain a member of demand functions and output functions. iii. defines the main function, find the ball, cylinder, cone and sizes.
a) 要求：
i. 定义一个基类圆，至少含有一个数据成员半径；
ii. 定义基类的派生类球、圆柱、圆锥，都含有求表面积和体积的成员函数和输出函数。
iii. 定义主函数，求球、圆柱、圆锥的和体积。
-2, write a program to calculate the ball, cylindrical and conical surface area and volume. a) asked: i. defining a base class circle, has at least one data member radius ii. the definition of base class of derived classes sphere, cylinder, cone, surface area and volume contain a member of demand functions and output functions. iii. defines the main function, find the ball, cylinder, cone and sizes.
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22.cpp