7章5节for语句的循环

#include <iostream>
int main()
{
 int counter;

 for(counter=0;counter<5;counter++)
 /* for 循环 （initialization； test； action） 由三个部分组成 初始化 测试 执行的动作（如递增）相当与
 
  int counter =0；                             .......initialization
 while(counter<5)                           .......test
 {
   counter++;                               .......action
   std::cout <<"lopping counter=counter+1 /n";
   }
*/

  std::cout <<"lopping counter=counter+1 /n";

  std::cout << "counter is " << counter << std::endl;
 return 0;
}