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

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# include <stdio.h>
 
int main()
{
    int i, j, k;
     
    /* ±äÁ¿i´Ó0µ½4£¬±íʾËù»­ÁâÐÎͼµÄµÚÒ»ÖÁµÚÎåÐÐ */
    for(i = 0; i <= 4; i++)
    {
        /* ......
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