Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

C/C++ÊÔÌâ

1¡¢bool¡¢float¡¢Ö¸Õë±äÁ¿Óë"ÁãÖµ"±È½ÏµÄifÓï¾ä£¿
´ð£º
bool flag;   if(flag)£¬if(!flag)
char *p;   if(p==NULL)£¬if(p!=NULL)
float x;  
const float EPSILON = 1e-6;
if((x>=-EPSILON)&&(x<=EPSILON)) //(-0.000001~0.000001)
if((x<-EPSILON)&&(x>EPSILON)) //(+INFINITE~0.000001),(-0.000001~-INFINITE)
2¡¢constÓÐʲôÓÃ;£¿
´ð£º
£¨1£©¿ÉÒÔ¶¨Òåconst ³£Á¿
£¨2£©const ¿ÉÒÔÐÞÊκ¯ÊýµÄ²ÎÊý¡¢·µ»ØÖµ¼°º¯ÊýµÄ¶¨ÒåÌå¡£±»constÐÞÊεĶ«Î÷¶¼Êܵ½Ç¿ÖƱ£»¤£¬¿ÉÒÔÔ¤·ÀÒâÍâµØ±»Ð޸ģ¬ÄÜÌá¸ß³ÌÐòµÄ½¡×³ÐÔ¡£
3¡¢ÔÚC++³ÌÐòÖе÷Óñ»C±àÒëÆ÷±àÒëºóµÄº¯Êý£¬ÎªÊ²Ã´¶¼Òª¼Óextern "C" ?
´ð£º
C++ÓïÑÔÖ§³Öº¯ÊýÖØÔØ£¬CÓïÑÔ²»Ö§³Öº¯ÊýÖØÔØ¡£º¯Êý±»C++±àÒëÆ÷±àÒëºÍ±»C±àÒëÆ÷±àÒëºóÉú³ÉµÄÄÚ²¿Ãû×ÖÊDz»Í¬µÄ¡£¼ÙÉèij¸öº¯ÊýµÄÔ­ÐÍΪ£ºvoid foo(int x,int y);¸Ãº¯Êý±»C±àÒëÆ÷±àÒëºóµÄÄÚ²¿Ãû×ÖΪ_foo£¬ÃæC++±àÒëÆ÷Ôò»á²úÉúÏñ_foo_int_intÖ®ÀàµÄÃû×Ö¡£C++ÌṩÁËCÁ¬½Ó½»»»Ö¸¶¨·ûºÅ extern "C" À´½â¾öÃû×ÖÆ¥ÅäµÄÎÊÌâ¡£
4¡¢ÀàÐÍת»»£º
double d = 100.25;
int x = d;
int *pInt = (int*)&d;
ÇëÎÊÒÔÏÂÁ½¸öÓï¾äÊä³öʲô£¿
cout<< x <<endl;
cout<< *pInt <<endl;
´ð£º
µÚÒ»¸öÊä³ö 100£¬xÈ¡dµÄÕûÊý²¿·Ö¡£
µÚ¶þ¸ö½á¹û²»ÊÇ100£¬*pIntµÈÓÚdµÄǰ4¸ö×Ö½ÚµÄÊýÖµ£¬¶ø²»ÊÇdµÄÕûÊý²¿·Ö¡£


Ïà¹ØÎĵµ£º

EVE˵˵ÐÂÈËÉÏÊÖC×å

ÐÂÈ˸տªÊ¼Íæ×îºÃ½¨¸öÃâ·ÑºÅÏÈÊìϤÏÂÓÎÏ·£¬ÏȰÑÐÂÊֽ̳Ì×öÍæ£¬½Ì³ÌÒªÂýÂý×ö£¬°Ñÿһ²½½ÌµÄ¶¼Ñ§µ½¡£ÎÒÇ¿ÁÒBS×öÍê½Ì³Ì»¹²»»áÍê˵½Ì³Ì²»ºÃµÄÈË£¬ÒÔǰÎÒÍêÅ··þ¶¼ÊÇ×öÍê½Ì³Ì¾ÍÄÜ¿ªÊ¼ÍêÁË£¬ÎÒ»¹ÊÇÓõĽðɽ¿ìÒë2002µÄ£¬¸Â¸Â¡£
ÑÔ¹éÕý´«£¬ÐÂÈË×öÍê½Ì³Ì×îºóµÄ2¸öÈÎÎñÊÖÉϸÃÓÐ10W¶àÁË£¨×îºóµÄÄǸö´úÀíÈËÈÎÎñ²»×ö½Ì³ÌÒ²¿ÉÒÔÖ±½Ó×ö£©£¬ ......

Ö±½ÓÑ¡ÔñÅÅÐò C´úÂë

void StraightSelectionSort(int array[], unsigned int n)
{
/*
×¢£º¹Ø¼ü×ÖÖµÀàÐÍΪint£¬Êý×éµÄË÷ÒýÊÇ´Ó0¿ªÊ¼
1. ³õʼ״̬ÎÞÐòÇøÎªarray¡¾0£¬ n - 1¡¿£¬ÓÐÐòÇøÎª¿Õ¡£
2. µÚ1ÌËÅÅÐò´Óarray¡¾0£¬ n - 1¡¿ÖÐÕÒµ½Ï±êΪkµÄ¹Ø¼ü×Ö×îСֵ£¬°Ñarray¡¾k¡¿ºÍ
array¡¾0¡¿½»»»¡£ÏÖÔÚÎÞÐòÇøÎªarray¡¾1£¬ n - 1¡¿£¬ ÓÐÐòÇø ......

C/C++½á¹¹Ìå×Ö½Ú¶ÔÆë


[×¢]£º×î½üÔÚ×öUVCÃèÊö·ûµÄ±à¼­¹¤¾ß£¬Óõ½ºÜ¶àµÄ½á¹¹£¬ÎªÁË·½±ã°Ñ½á¹¹Ìåд³ÉbinÎļþ£¬ÐèÒª°Ñ½á¹¹ÌåÖÐÌî³äµÄ×Ö½ÚÈ¥µô£¬ÔÚÍøÉÏËÑË÷µÃµ½ÕâÆªÎÄÕ£¬¸Ð¾õͦºÃµÄ£¬×ª¹ýÀ´×ö¸ö¼ÍÄî¡£
½á¹¹Ìå(struct)µÄsizeofÖµ£¬²¢²»ÊǼòµ¥µÄ½«ÆäÖи÷ÔªËØËùÕ¼×Ö½ÚÏà¼Ó£¬¶øÊÇÒª¿¼Âǵ½´æ´¢¿Õ¼äµÄ×Ö½Ú¶ÔÆëÎÊÌâ¡£ÏÈ¿´ÏÂÃæ¶¨ÒåµÄÁ½¸ö½á¹¹Ìå.
struct ......

ΧÆå´òÆ×Èí¼þÖÐ×Ô¶¯Ìá×Ó¹¦ÄܵÄʵÏÖ£¬C/C++Ô´Âë

±¾ÎÄÊ×·¢µØÖ·£ºhttp://blog.csdn.net/liigo/archive/2009/09/22/4582018.aspx
×ªÔØÇë×¢Ã÷³ö´¦£ºhttp://blog.csdn.net/liigo
×÷Õߣºliigo, 2009/09/22
¡¡¡¡ÔÚÏÂΧÆåʱ£¬µ±Ò»¸öÆå×ÓÂäµ½ÆåÅÌÉÏ£¬Ëü»á¶ÔÖÜΧ¶Ô·½Æå×ÓµÄËÀ»î²úÉúÓ°Ï죬Èç¹û¶Ô·½Æå×ÓûÓÐÆøÁË£¨ËÀÁË£©£¬±ØÐë´ÓÆåÅÌÉÏÄõô£¨Ìá×Ó£©¡£Õâ¸ö¹ý³ÌÌåÏÖµ½Î§ÆåÈí¼þÖУ¬¾ÍÐ ......

Ö÷Òª¹ØÓÚCµÄ±ê×¼»¯ÊäÊä³ö

ÍøÂçËѼ¯-×ÊÁÏ
¸ñʽ»¯ÊäÈëÊä³öº¯Êý
      Turbo C2.0 ±ê×¼¿âÌṩµÄÁ½¸ö¿ØÖÆÌ¨¸ñʽ»¯ÊäÈë¡¢ Êä³öº¯Êý£ºprintf( ) ¡¢scanf()¡£
      printf()º¯ÊýÓÃÀ´Ïò±ê×¼Êä³öÉ豸(ÆÁÄ»)дÊý¾Ý;
      scanf() º¯ÊýÓÃÀ´´Ó±ê×¼ÊäÈëÉ豸(¼ü ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ