????1???????

??????????????壬????????????????ж?????е????????С??

????2???????????

????2.1 ?????????

????????????????в???????????????????

// ????????????ж?.cpp : ??????????ó????????
//

#include "stdafx.h"
#include "String.h"
#include "iostream"
using namespace std;

 

int _tmain(int argc?? _TCHAR* argv[])
{
 typedef struct STUDENT_INFO
 {
  char num;
  int age;
  float salary;
  //string name;
 }*LP_STUDENT_INFO;

 cout<<sizeof(STUDENT_INFO)<<endl;

 /*string stuName;
 cout<<sizeof(stuName)<<endl;*/

 return 0;
}

???????????????????????????????????

?????????????????????????????????????????????????????滮?????float??????B?????????????????12B??

????2.2 ????????????????

?????????????????????????????

// ????????????ж?.cpp : ??????????ó????????
//

#include "stdafx.h"
#include "String.h"
#include "iostream"
using namespace std;

 

int _tmain(int argc?? _TCHAR* argv[])
{
 typedef struct STUDENT_INFO
 {
  char num;
  int age;
  float salary;
  string name;
 }*LP_STUDENT_INFO;

 cout<<"???????????е???????С???"<<sizeof(STUDENT_INFO)<<"B???"<<endl;

 string stuName;
 cout<<"???????????е?????????С???"<<sizeof(stuName)<<"B???"<<endl;

 return 0;
}