arr_addr.cpp

来自「数据结构常用算法合集」· C++ 代码 · 共 23 行

  //arr_addr.cpp
 #include <iostream.h>					//cin,cout
 #include <conio.h>					//getch()
 #include <iomanip.h>					//setw()
 const float PI=3.14159;
 float radius[5]={11.2,23.6,33.4,44.32,55.08};
 void main()
 { int i,f=9;
   float area[5],sphere[5];
   for (i=0;i<5;i++)
   { area[i]=PI*radius[i]*radius[i];		//求圆面积
     sphere[i]=4*PI*radius[i];			//求表面积
   }
   cout.setf(ios::fixed,ios::floatfield);
   cout.precision(3);
   cout <<" [*半径*] [圆面积] [表面积]\n";
   for (i=0;i<5;i++)
   cout<<setw(f)<<*(radius+i)			//以地址指针取得各元素
     <<setw(f)<<*(area+i)
     <<setw(f)<<*(sphere+i)<<endl;
   getch();
 }