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

ÎÒµÄCʵ¼ù(8)£º×ÖËÑË÷

  ×ÖËÑË÷¾ÍËÑË÷Ò»¸öÊýÖоßÓÐÄ³Ð©ÌØÕ÷µÄλ¡£ÊµÏÖÈçÏ£º
/* wsearch.c£º×ÖËÑË÷ */
/* ´Ó×ó±ßѰÕÒµÚÒ»¸ö0×Ö½Ú£ºµÚ0(1,2,3)¸ö×Ö½ÚÊÇ0ʱ£¬·µ»Ø0(1,2,3)£¬·ñÔò·µ»Ø4 */
int zbytel(unsigned x){
if((x>>24)==0) return 0;
else if((x & 0x00ff0000)==0) return 1;
else if((x & 0x0000ff00)==0) return 2;
else if((x & 0x000000ff)==0) return 3;
else return 4;
}
/* ·½°¸2£ºÎÞ·ÖÖ§´úÂ룬Óõ½ÁËnlzÖ¸Áî */
int zbytel_2(unsigned x){
int nlz(unsigned); /* ǰÏòÉùÃ÷ */
unsigned y;
y=(x & 0x7f7f7f7f)+0x7f7f7f7f; /* °Ñ0×Ö½Ú±ä³É0x7f£¬·Ç0×Ö½Ú×î¸ßλ±ä³É1 */
y=~(y | x | 0x7f7f7f7f); /* °Ñ0×Ö½Ú±ä³É0x80£¬·Ç0×Ö½Ú±ä³É0x00 */
return nlz(y)>>3; /* µÚ0(1,2,3)¸ö×Ö½ÚÊÇ0ʱ£¬yµÄǰµ¼ÓÐ0(8,16,24)¸ö0£¬¹Ê·µ»Ø0(1,2,3)£¬·ñÔò·µ»Ø4 */
}
/* ´Ó×ó±ßѰÕÒµÚÒ»¸ö³¤ÎªnµÄÁ¬Ðø1λ´®£¬·µ»ØÆäλÖ㨴Ó0¿ªÊ¼±àºÅ£© */
int ffstr1(unsigned x, int n){
int nlz(unsigned); /* ǰÏòÉùÃ÷ */
int k,p;
p=0; /* ³õʼ»¯·µ»ØµÄλÖà */
while(x!=0){
k=nlz(x);
x=x<<k; /* Ìø¹ýǰµ¼µÄ0 */
p=p+k;
k=nlz(~x); /* ¼ÆËãǰµ¼1µÄ¸öÊý */
if(k>=n)
return p; /* Èôǰµ¼1µÄ¸öÊý×ã¹»£¬ÔòÕÒµ½£¬Ö±½Ó·µ»ØÆäλÖà */
x=x<<k; /* ·ñÔòÁ¬ÐøµÄ1²»×ãn¸ö£¬Ìø¹ýËüÃÇ£¬¼ÌÐøÏòǰÕÒ */
p=p+k;
}
return 32; /* ûÕÒµ½Ôò·µ»Ø32 */
}
/* ¼ÆËãǰµ¼0µÄ¸öÊý */
int nlz(unsigned x){
int n;
if(x==0) return (32);
n=1;
/* Ó÷ÖÖβßÂÔ */
if((x>>16)==0){ /* x<=0x0000ffffʱ */
n=n+16;
x=x<<16; /* ÒÆ³ýǰµ¼µÄ16¸ö0 */
}
if((x>>24)==0){ /* x<=0x00ffffffʱ */
n=n+8;
x=x<<8; /* ÒÆ³ýǰµ¼µÄ8¸ö0 */
}
if((x>>28)==0){ /* x<=0x0fffffffʱ */
n=n+4;
x=x<<4; /* ÒÆ³ýǰµ¼µÄ4¸ö0 */
}
if((x>>30)==0){ /* x<=0x3fffffffʱ */
n=n+2;
x=x<<2; /* ÒÆ³ýǰµ¼µÄ2¸ö0 */
}
return n-(x>>31); /* ×¢Òân³õʼʱΪ1£¬Èç¹ûÒÆ³ýǰµ¼0ºóµÄx×î¸ßλΪ0£¬ÔònÇ¡ºÃ¼ÆËãÁËÕâ¸ö0£»
Èç¹û×î¸ßλΪ1£¬ÔòûÓжîÍâµÄǰµ¼0£¬n±ØÐëÒª¼õÈ¥¶à³öµÄ1 */
}


Ïà¹ØÎĵµ£º

ÀûÓÃÊÀ½ç×îС×î¿ìµÄC±àÒëÆ÷´òÔì×Ô¼ºµÄC±à¼­Æ÷

ÀûÓÃÊÀ½ç×îС×î¿ìµÄC±àÒëÆ÷´òÔì×Ô¼ºµÄC±à¼­Æ÷
¼ò½étinycc ÊÀ½çÉÏ×îС±àÒëËÙ¶È×î¿ìµÄCÓïÑÔ±àÒëÆ÷ ¸÷ÏÄܽø¹Ù·½È¥¿´
TCC¹Ù·½ÏÂÔØµØÖ·£ºhttp://ftp.twaren.net/Unix/NonGNU/tinycc/tcc-0.9.25-win32-bin.zip
ÎÒÖªµÀ ´ó¼Ò»ù±¾É϶¼ÓùýWIN—TC°É ÌØ±ðÊÇÉϹý´óѧµÄ CÓïÑÔÈëÃÅʱÓõͼÊÇ
ËûµÄ²Ù×÷½çÃæÈçͼ
¹þ¹þ ¿´ÏÂÍ ......

¹ØÓÚC/C++ ±í´ïʽÇóֵ˳Ðò 䶨Òå

±í´ïʽµÄ¸±×÷ÓÃ
ÔËËã·ûµÄÓÅÏȼ¶Óë½áºÏÐԹ涨Á˱í´ïʽÖÐÏàÁÚÁ½¸öÔËËã·ûµÄÔËËã´ÎÐò£¬µ«¶ÔÓÚ˫Ŀ
ÔËËãµÄ²Ù×÷Êý£¬C++ûÓй涨ËûÃǵļÆËã´ÎÐò¡£ÀýÈ磬¶ÔÓÚ±í´ïʽ£º
exp1 + exp2;
ÏȼÆËã exp1 »¹ÊÇ exp2£¿²»Í¬µÄ±àÒëÆ÷Óв»Í¬µÄ×ö·¨¡£
ÔÚÊýѧÉÏ£¬¶ÔÓÚ˫ĿÔËËã·û£¬²»ÂÛÏȼÆËãÄÄÒ»¸ö²Ù×÷Êý£¬ÒªÇó×îÖÕ¼ÆËã½á¹ûÒ»Ñù¡£
ÔÚ C++ ......

extern "C"Ïà¹ØµÄһЩϸ½ÚÎÊÌâ

×÷ÕߣºÊ¯Í·
extern "C"°üº¬Ë«Öغ¬Ò壬ÆäÒ»£º±»ËüÐÞÊεÄÄ¿±êÊÇ“extern”µÄ£»Æä¶þ£º±»ËüÐÞÊεÄÄ¿±êÊÇ“C”µÄ¡£
1£©±»extern “C”ÏÞ¶¨µÄº¯Êý»ò±äÁ¿ÊÇexternÀàÐ͵ģ»
    externÊÇC/C++ÓïÑÔÖбíÃ÷º¯ÊýºÍÈ«¾Ö±äÁ¿×÷Ó÷¶Î§£¨¿É¼ûÐÔ£©µÄ¹Ø¼ü×Ö£¬¸Ã¹Ø¼ü×Ö¸æËß±àÒëÆ÷£¬ÆäÉùÃ÷µÄº¯ ......

extern "C" ÔĶÁ±Ê¼Ç zz

·¢ÐÅÈË: RoachCock (·´¶¯Ñ§ÊõȨÍþ), ÐÅÇø: CPlusPlus
±ê  Ìâ: extern "C" ÔĶÁ±Ê¼Ç
·¢ÐÅÕ¾: ˮľÉçÇø (Fri Mar  7 00:22:47 2008), Õ¾ÄÚ
±¾ÒÔΪºÜ¼òµ¥£¬×ÐϸÔĶÁÁËһϠC++ ±ê×¼£¬·¢ÏÖÄÚÈÝ»¹²»ÉÙ¡£×ܽáÁËһϡ£
Òªµã£º
º¯ÊýÀàÐÍ£¬º¯ÊýÃû£¬±äÁ¿Ãû¾ßÓÐÓïÑÔÁ´½ÓÐÔ£¬language linkage¡£
ÓïÑÔÁ´½ÓÐÔ¿ÉÄÜ»áÓ°Ïìµ½ ......

cµÄIO

²¿·ÖÄÚÈÝÀ´×Ôhttp://www.programfan.com/article/2674.htmlÒÔ¼°http://www.programfan.com/article/showarticle.asp?id=2675
²¿·Ö·­ÒëÀ´×ÔTUM skript£¨c programmieren);
1.printf()£º
ǧÍò²»ÒªÒÅÍüÔÚprintf()µÄ×îºóÌí¼ÓNewLine"\n"¡£ÒòΪÔÚcµÄ¿âÖÐͨ³£ÓÐÐлº´æ»úÖÆ£¬Õâ¸öÒâζ×ÅÖ»Óе±Ò»ÐеÄÊäÈëͨ¹ý"\n"½áÊøÖ®Ç°£¬ÐеÄÊ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ