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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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C unsigned Ó÷¨

Àý£º#define NELE(a) (sizeof(a) / sizeof(a[0]))
int main() {
char str[] = {'E', 'M', 'C'};
for (int d=-1; d<=(NELE(str)-2);d++)
      printf("%c",str[d+1]);
return 0;
}
ÅжÏprintf£¨£©Êä³öµÄÊÇʲô£¬½á¹û¿ÉÄܳöºõÒâÁÏ£¬Ê²Ã´Ò²Ã»ÓÐÊä³ö£¬Ô­ÒòÄØ£¿Ô­Òò ......

C ¶Á100¸öÊýµ½Êý×é

 #include <stdio.h>
#define MAX 100
int a[MAX], b[MAX], count = 0;
void rData()
{ int i;
FILE *fp;
fp = fopen("C:\\100.dat", "r");
for (i=0; i<MAX; i++)
fscanf(fp, "%d,", &a[i]);
fclose(fp);
}
 
void main()
{ int i;
rData();
//printf("Âú×ãÌõ¼þµÄÊý= ......

ÓÃC# ʵÏÖC/SģʽÏÂÈí¼þ×Ô¶¯ÔÚÏßÉý¼¶

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¡¡±¾ÎÄÕë¶ÔĿǰC/SģʽϱàдµÄÓ¦ÓóÌÐò¿Éά»¤ÐÔ²îµÄÌØµã£¬Ìá³öÁËÒ»Ì××Ô¶¯ÔÚÏßÉý¼¶µÄ½â¾ö·½°¸£¬·ÖÎöÁËÔÚÏßÉý¼¶µÄÀ§ÄѼ°ÊµÏÖÔ­Àí£¬²¢¸ø³öÁËʵÏÖÉý¼¶µÄ²¿·Ö´úÂ룬¾ßÓÐʵ¼Ê²Î¿¼¼ÛÖµºÍÏÖʵÒâÒå¡£±¾ÎijÌÐò´úÂë¾ùÔÚ.Net Framework 1.1 ºÍWindows2000ϲâÊÔͨ¹ý¡£
¡¡¹Ø¼ü´Ê£ºC#£»ÔÚÏßÉý¼¶£»×Ô¶¯Éý¼¶£ ......

C_Êý¾ÝÀàÐÍת»»

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# include <stdio.h>
 
int main()
{
    /* ¶¨Òå±äÁ¿²¢¸³³õÖµ */
     int    a = 5;       
    char   c = 'a';   // 'a'µÄASCÂëµÄֵΪ97
    ......

C_³õʶָÕë

 Ô´Âë:
# include <stdio.h>
 
int main()
{
    /* ¶¨ÒåÒ»¸öÕûÐÎÖ¸Õëp */
    int *p;
    int begin, end;
 
    begin = 10;
    /* ¸øÖ¸Õëp¸³³õÖµ */
    p = &begin;
  & ......
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