c7-7.cpp

这我们老师对是面向对象程序设计（清华大学出版社）一书制作的PPT

#include <iostream>
#include <string>
#include <iomanip>
using namespace std;
struct S
  {int num;
   string name;
   char sex;
   char job;
   union
     {int grade;
      char position[10];
     }category;
  }person[2];

int main()
{ int i;
  for(i=0;i<2;i++)
   {cin>>person[i].num>>person[i].name>>person[i].sex>>person[i].job;
    if(person[i].job=='s') cin>>person[i].category.grade;
    else if (person[i].job=='t') cin>>person[i].category.position;
        else cout<<"input error!";
   }
  cout<<endl<<"No.  Name   sex  job  grade/position"<<endl;
  for(i=0;i<2;i++)
    {if (person[i].job=='s')
      cout<<person[i].num<<setw(6)<<person[i].name<<"    "<<person[i].sex
      <<"    "<<person[i].job<<setw(10)<<person[i].category.grade<<endl;
     else
      cout<<person[i].num<<setw(6)<<person[i].name<<"    "<<person[i].sex
      <<"    "<<person[i].job<<setw(10)<<person[i].category.position<<endl;
    }
  return 0;
 }