circle.cpp

数据结构常用算法合集

//circle.cpp
 #include <iostream.h>				//cout
 #include <conio.h>					//getch()
 void main()
 { float radius, area, periphery;	
   radius = 12.15;					//设半径值
   area = 3.14159 * radius * radius;		//求圆面积
   periphery = 4 * 3.14159 * radius;	//求周长
   cout << "圆面积=" << area << endl;
   cout << "圆周长=" << periphery << endl;
  getch();			   			//暂停
}