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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C/C++ÖеÄSplitº¯ÊýÊÇstrtok()Æäº¯ÊýÔÐÍÈçÏÂ:
char * strtok (char * str, const char * delimiters);
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Ô´Âë:
# include <stdio.h>
int main()
{
/* ¶¨ÒåÁËÒ»¸öÎÞ·ûºÅ×Ö·ûÐͱäÁ¿£¬´Ë±äÁ¿Ö»ÄÜÓÃÀ´´æ´¢ÎÞ·ûºÅÊý */
unsigned char result;
int a, b, c, d;
a = 2;
b = 4; ......
Ô´Âë:
# include <stdio.h>
int main()
{
/* ¶¨ÒåÒ»¸öÕûÐÎÖ¸Õëp */
int *p;
int begin, end;
begin = 10;
/* ¸øÖ¸Õëp¸³³õÖµ */
p = &begin;
& ......