Point and Circle
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Description
We know a point (x,y) has x coordinate and y coordinate and a circle has a center and a radius.
There is a base class Point, and a derived class Circle.
Please implement all the classes according to the function main.
tips:
Class Point:
a)function print(): a point(2,3) will print "This Point is [2, 3]\n"
Class Circle:
a) #define PI 3.14159
b) radius >= 0
c)function area(): calculate the area of a circle
d)function print(): a circle has a center(2,3) and radius 6 will print "The center of Circle is [2, 3]\n" and "The radius of Circle is 6\n"
Intput:
3 4
4 6 2
Output:
3
4
This Point is [3, 4]
4
6
2
12.5664
The center of Circle is [4, 6]
The radius of Circle is 2
答案:
0 0
- Point and Circle
- Point-->Circle-->Cylinder
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