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C_ÔËÓÃdo

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# 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("please input x: ");
    scanf("%lf", &x); // £¥lf ´ú±íÓÃË«¾«¶ÈÊäÈë
    /* ¸³³õÖµ */
    t = x;
    n = 1;
    s = x;
    /* ½øÐеþ¼ÓÔËËã */
    do
    {
        n = n + 2 ;
        t = t * (-x*x)/((float)(n)-1)/(float)(n);
        s = s + t;
    } while (fabs(t)>=1e-8); // ±¾À´ÊÇÒª´óÓÚ0,µ«Ò²¿É´óÓÚÒ»¸öºÜСµÄÊý¼´¿É
    printf("sin(%f) = %lf\n", x, s);
    return 0;
}


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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);
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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_¹ØÏµºÍÂß¼­ÔËËã

 Ô´Âë:
# include <stdio.h>
 
int main()
{
    /* ¶¨ÒåÒ»¸öÕûÊýÀàÐ͵ıäÁ¿£¬ÓÃÀ´´æ·ÅºóÃæËãʽµÄÖµ */
    int logic;    
 
    int a = 1;
    int b = 2;
    int c = 3;
 
&n ......

C_×ÔÔöÓë×Ô¼õ

 Ô´Âë:
# include <stdio.h>
 
int main()
{
    int i, j, k;
    int m, n, p;
 
    i = 8;
    j = 10;
    k = 12;
    
    /* ×ÔÔöÔÚ²Ù×÷Êý֮ǰ */
   ......

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';
 & ......
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