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

C_ʹÓÃbreakºÍcontinue¿ØÖÆÑ­»·Óï¾ä

 Ô´Â룺
# include <stdio.h>
 
int main( )
{
    int radius;
    double area;
    for(radius = 1; radius <= 10 ; radius++)
    {
        area = 3.1416 * radius * radius;
        /* ÈôÔ²Ãæ»ý³¬¹ý120£¬ÔòÌø³öforÑ­»·£¬²»ÓèÊä³ö */
        if(area >= 120.0)
            break;  // Ìø³öÑ­»·
        printf("square = %f\n", area);
    }
    printf("now radius=%d\n\n", radius-1);
 
    for(radius = 1; radius <= 10 ; radius++)
    {
        area = 3.1416 * radius * radius;
        /* ÈôÔ²Ãæ»ýûÓг¬¹ý60£¬Ôò²»Êä³ö¶øÊÇ´ÓпªÊ¼Ñ­»· */
        if(area < 120.0)
            continue;  // »Øµ½Ñ­»·Í·²¿,¼ÌÐøÏÂһѭ»·
        printf("square = %f\n", area);
    }
    printf("now radius=%d\n", radius-1);
    return 0;
}


Ïà¹ØÎĵµ£º

cÄÚ´æ·ÖÅä

ÄÚ´æ·ÖÅ䷽ʽÓÐÈýÖÖ£º
£¨1£© ´Ó¾²Ì¬´æ´¢ÇøÓò·ÖÅä¡£ÄÚ´æÔÚ³ÌÐò±àÒëµÄʱºò¾ÍÒѾ­·ÖÅäºÃ£¬Õâ¿éÄÚ´æÔÚ³ÌÐòµÄ
Õû¸öÔËÐÐÆÚ¼ä¶¼´æÔÚ¡£ÀýÈçÈ«¾Ö±äÁ¿£¬static ±äÁ¿¡£
£¨2£© ÔÚÕ»ÉÏ´´½¨¡£ÔÚÖ´Ðк¯Êýʱ£¬º¯ÊýÄÚ¾Ö²¿±äÁ¿µÄ´æ´¢µ¥Ôª¶¼¿ÉÒÔÔÚÕ»ÉÏ´´½¨£¬º¯
ÊýÖ´ÐнáÊøÊ±ÕâЩ´æ´¢µ¥Ôª×Ô¶¯±»ÊÍ·Å¡£Õ»ÄÚ´æ·ÖÅäÔËËãÄÚÖÃÓÚ´¦ÀíÆ÷µÄÖ¸Áî¼ ......

C/C++ÖеÄSplitº¯Êý

 C/C++ÖеÄSplitº¯ÊýÊÇstrtok()Æäº¯ÊýÔ­ÐÍÈçÏÂ:
char * strtok (char * str, const char * delimiters);
º¯Êý˵Ã÷
strtok()ÓÃÀ´½«×Ö·û´®·Ö¸î³ÉÒ»¸ö¸öƬ¶Î¡£²ÎÊýstrÖ¸ÏòÓû·Ö¸îµÄ×Ö·û´®£¬²ÎÊýdelimitersÔòΪ·Ö¸î×Ö·û´®£¬µ±strtok()ÔÚ²ÎÊý
strµÄ×Ö·û´®Öз¢ÏÖµ½²ÎÊýdelimitersµÄ·Ö¸î×Ö·ûʱÔò»á½«¸Ã×Ö·û¸ÄΪ'\0'×Ö·û ......

C_¸Ä±ä×Ö·û±àÂëʵÏÖ¼òµ¥¼ÓÃÜ

 Ô´Âë:
# include <stdio.h>
 
int main()
{
    /* ¶¨Òå×Ö·ûÐͱäÁ¿£¬²¢¸øËüÃǸ¶³õÖµ */
    char c1, c2, c3, c4, c5, c6, c7;
    c1 = 'C';
    c2 = 'h';
    c3 = 'i';
    c4 = 'n';
 & ......

C_ʹÓÃswitchÓï¾ä

 Ô´Âë:
# include <stdio.h>
 
int main()
{
    int num;
    /* ÏÂÃæ¶¨ÒåµÄ¸÷±äÁ¿£¬·Ö±ð´ú±í¸öλ£¬Ê®Î»£¬°Ùλ£¬Ç§Î»£¬Íòλ£¬Ê®ÍòλÒÔ¼°Î»Êý */
    int indiv, ten, hundred, thousand; 
    int ten_thousand, hundred_thous ......

C_ÔËÓÃdo

 Ô´Â룺
# include <math.h>
# include <stdio.h>    /* Êýѧº¯Êý¿â */
 
int main()
{
    /* ÓÃs±íʾ¶àÏîʽµÄÖµ£¬ÓÃt±íʾÿһÏîµÄÖµ */
    double s, t, x; // ´Ë´¦ÓÃË«¾«¶ÈÉùÃ÷±äÁ¿
    int n;
    printf ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ