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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 ¶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= ......

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C_¹ØÏµºÍÂß¼­ÔËËã

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