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1.·ÖÀà
 ÄÚ²¿ÀàÐÍ ºÍÓû§¶¨ÒåÀàÐÍ
2.
 ÕûÐΣºbool ,×Ö·ûÐÍ£¬ÕûÐÎ
   true  1                   flase 0
   ·ÇÁã true                Áã  flase
   ·Ç¿ÕÖ¸Õë true          ¿ÕÖ¸Õë flase
char ,wchar_t
(unsigned  signed)
int   short int  long int   (unsigned signed)
 3.
enum ÀàÐÍ (enum Êǹؼü×Ö £¬Èçͬ class )
  enum {}
  enum flag{a=1,b=100};
  flag f1=flag(101);//ÏÔʾת»»ÎªÃ¶¾Ù
ö¾Ù·ûµÄ·¶Î§ ¡¾0--2^k-1¡¿
                    ¡¾-2^k--2^k-1¡¿
  sizeof (flag)==sizeof(int)==sizeof(bool);
  ö¾ÙÀàÐÍ¿ÉÒÔת»»Îª ÕûÐÎ
  3.ÉùÃ÷ ºÍ¶¨ÒåµÄÇø±ð
  extern int error_code;
  int get_age();
  int error_code=3;
 int get_age£¨£©
{
}
ÃèÊö·û »ù´¡ÀàÐÍ ÉùÃ÷·ûºÅ ³õʼʽ
ÉùÃ÷·û=Ãû×Ö+ÉùÃ÷ÔËËã·û
*
[]
()
&
* const
4.×÷ÓÃÓò
º¯Êý£¬À࣬Ãû×ֿռ䣬ȫ¾Ö
È«¾Ö ¾Ö²¿¾²Ì¬ Ãû×Ö¿Õ¼ä ÒÔ0 ³õʼ»¯
¾Ö²¿±äÁ¿ ¶Ñ±äÁ¿
¾²Ì¬¶ÔÏó£ºÈ«¾Ö ¾Ö²¿¾²Ì¬ Ãû×Ö¿Õ¼ä
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5.×óÖµ
int a=3;
&a ÊǸöÓÒÖµ
int &b=a//ÒýÓÃÒ»¸ö×óÖµ
const int &c=a//
const int &d=4;//const ÒýÓà ¿ÉÒÔÊǸöÓÒÖµ
const int * a1=0;
 int const * const &  b=&a1;
const int*
int*
const int &


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#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include<string.h>
#include<windows.h>
#include<malloc.h>
#include<math.h>
typedef struct worker

 int num; //±àºÅ
 char name[15]; //ÐÕÃû
 char zhicheng[15];& ......

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