¡¾×ª¡¿C´úÂëÓÅ»¯·½°¸
1¡¢Ñ¡ÔñºÏÊʵÄËã·¨ºÍÊý¾Ý½á¹¹
Ñ¡ÔñÒ»ÖÖºÏÊʵÄÊý¾Ý½á¹¹ºÜÖØÒª£¬Èç¹ûÔÚÒ»¶ÑËæ»ú´æ·ÅµÄÊýÖÐʹÓÃÁË´óÁ¿µÄ²åÈëºÍɾ³ýÖ¸ÁÄÇʹÓÃÁ´±íÒª¿ìµÃ¶à¡£Êý×éÓëÖ¸ÕëÓï¾ä¾ßÓÐÊ®·ÖÃÜÇеĹØϵ£¬Ò»°ãÀ´Ëµ£¬Ö¸Õë±È½ÏÁé»î¼ò½à£¬¶øÊý×éÔò±È½ÏÖ±¹Û£¬ÈÝÒ×Àí½â¡£¶ÔÓڴ󲿷ֵıàÒëÆ÷£¬Ê¹ÓÃÖ¸Õë±ÈʹÓÃÊý×éÉú³ÉµÄ´úÂë¸ü¶Ì£¬Ö´ÐÐЧÂʸü¸ß¡£
ÔÚÐí¶àÖÖÇé¿öÏ£¬¿ÉÒÔÓÃÖ¸ÕëÔËËã´úÌæÊý×éË÷Òý£¬ÕâÑù×ö³£³£ÄܲúÉúÓÖ¿ìÓ̵ֶĴúÂë¡£ÓëÊý×éË÷ÒýÏà±È£¬Ö¸ÕëÒ»°ãÄÜʹ´úÂëËٶȸü¿ì£¬Õ¼Óÿռä¸üÉÙ¡£Ê¹ÓöàάÊý×éʱ²îÒì¸üÃ÷ÏÔ¡£ÏÂÃæµÄ´úÂë×÷ÓÃÊÇÏàͬµÄ£¬µ«ÊÇЧÂʲ»Ò»Ñù¡£
Êý×éË÷Òý Ö¸ÕëÔËËã
For(;;){ p=array;
A=array[t++]; for(;;){
a=*(p++);
...... ......
} }
Ö¸Õë·½·¨µÄÓŵãÊÇ£¬ array µÄµØַÿ´Î×°ÈëµØÖ· p ºó£¬ÔÚÿ´ÎÑ»·ÖÐÖ»Ðè¶Ô p ÔöÁ¿²Ù×÷¡£ÔÚÊý×éË÷Òý·½·¨ÖУ¬Ã¿´ÎÑ»·Öж¼±ØÐë¸ù¾Ý t ÖµÇóÊý×éϱêµÄ¸´ÔÓÔËËã¡£
2¡¢Ê¹Óþ¡Á¿Ð¡µÄÊý¾ÝÀàÐÍ
Äܹ»Ê¹ÓÃ×Ö·ûÐÍ (char) ¶¨ÒåµÄ±äÁ¿£¬¾Í²»ÒªÊ¹ÓÃÕûÐÍ (int) ±äÁ¿À´¶¨Ò壻Äܹ»Ê¹ÓÃÕûÐͱäÁ¿¶¨ÒåµÄ±äÁ¿¾Í²»ÒªÓó¤ÕûÐÍ (long int) £¬Äܲ»Ê¹Óø¡µãÐÍ (float) ±äÁ¿¾Í²»ÒªÊ¹Óø¡µãÐͱäÁ¿¡£µ±È»£¬ÔÚ¶¨Òå±äÁ¿ºó²»Òª³¬¹ý±äÁ¿µÄ×÷Ó÷¶Î§£¬Èç¹û³¬¹ý±äÁ¿µÄ·¶Î§¸³Öµ£¬ C ±àÒëÆ÷²¢²»±¨´í£¬µ«³ÌÐòÔËÐнá¹ûÈ´´íÁË£¬¶øÇÒÕâÑùµÄ´íÎóºÜÄÑ·¢ÏÖ¡£
ÔÚ ICCAVR ÖУ¬¿ÉÒÔÔÚ Options ÖÐÉ趨ʹÓà printf ²ÎÊý£¬¾¡Á¿Ê¹Óûù±¾ÐͲÎÊý (%c ¡¢ %d ¡¢ %x ¡¢ %X ¡¢ %u ºÍ %s ¸ñʽ˵Ã÷·û ) £¬ÉÙÓó¤ÕûÐͲÎÊý (%ld ¡¢ %lu ¡¢ %lx ºÍ %lX ¸ñʽ˵Ã÷·û ) £¬ÖÁÓÚ¸¡µãÐ͵IJÎÊý (%f) Ôò¾¡Á¿²»ÒªÊ¹Óã¬ÆäËü C ±àÒëÆ÷Ò²Ò»Ñù¡£ÔÚÆäËüÌõ¼þ²»±äµÄÇé¿öÏ£¬Ê¹Óà %f ²ÎÊý£¬»áʹÉú³ÉµÄ´úÂëµÄÊýÁ¿Ôö¼ÓºÜ¶à£¬Ö´ÐÐËٶȽµµÍ¡£
3¡¢¼õÉÙÔËËãµÄÇ¿¶È
£¨1£©²é±í(ÓÎÏ·³ÌÐòÔ±±ØÐÞ¿Î)
Ò»¸ö´ÏÃ÷µÄÓÎÏ·´óϺ£¬»ù±¾Éϲ»»áÔÚ×Ô¼ºµÄÖ÷Ñ»·Àï¸ãʲôÔËË㹤×÷£¬¾ø¶ÔÊÇÏȼÆËãºÃÁË£¬ÔÙµ½Ñ»·Àï²é±í¡£¿´ÏÂÃæµÄÀý×Ó£º
¾É´úÂ룺
long factorial(int i)
{
if (i == 0)
return 1;
else
return i * factorial(i - 1);
}
дúÂ룺
static long factorial_table[] =
{1 £¬ 1 £¬ 2 £¬ 6 £¬ 24 £¬ 120 £¬ 720 /* etc */ };
long factorial(int i)
{
return factori
Ïà¹ØÎĵµ£º
·¢ÏÖ¸öÈ«¾Ö±äÁ¿Óë¾Ö²¿±äÁ¿µÄÇø±ð:
[code=C/C++]
char** t;
main()
{
char c[1];
char** t1;
sprintf(c,"%d",t);
printf("t=%s---\n",c);
if(strcmp(c,"0")!=0)
&nbs ......
×Ô¼ºËѼ¯²¢ÇÒÕûÀí£¬ÓÃÓڲο¼¡£
1.ÍêÕûÁ÷³Ì£º
CÔ´³ÌÐòÍ·Îļþ££>Ô¤±àÒë´¦Àí(cpp)££>±àÒë³ÌÐò±¾Éí££>ÓÅ»¯³ÌÐò££>»ã±à³ÌÐò££>Á´½Ó³ÌÐò-->¿ÉÖ´ÐÐÎļþ
pic from http://edmulroy.portbridge.com/oview.htm
2. cµÄÔ¤´¦Àí
Ô¤±àÒë³ÌÐòËùÍê³ÉµÄ»ù±¾ÉÏÊǶÔÔ´³ÌÐòµÄ& ......
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"½áÊø֮ǰ£¬ÐеÄÊ ......
×ÖËÑË÷¾ÍËÑË÷Ò»¸öÊýÖоßÓÐijЩÌØÕ÷µÄλ¡£ÊµÏÖÈçÏ£º
/* wsearch.c£º×ÖËÑË÷ */
/* ´Ó×ó±ßÑ°ÕÒµÚÒ»¸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) r ......
λºÍ×Ö½ÚµÄÖØÅÅÔÚÃÜÂëѧËã·¨ÖÐÓй㷺µÄÓ¦Óá£
/* rearran.c£ºÎ»ºÍ×Ö½ÚµÄÖØÅÅ */
/* λ·´×ª£ºÒÔ×ÖµÄÖÐÐÄΪ¶Ô³Æµã½øÐÐλ·´Éä
ÀýÈ磺 abcd efgh ijkl mnop ABCD EFGH IJKL MNOP
λ·´×ª£ºPONM LKJI HGFE DCBA ponm lkji hgfe dcba */
unsigned rev(unsigned x){
/* ½»»»ÏàÁڵĵ¥¸öλ */
x=(x & 0x5 ......