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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#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= ......
C++¶Ôʱ¼äµÄ²Ù×÷Ò²ÓÐÐí¶àÖµµÃ´ó¼Ò×¢ÒâµÄµØ·½¡£×î½ü£¬ÔÚ¼¼ÊõȺÖÐÓкܶàÍøÓÑÒ²¶à´ÎÎʵ½¹ýC++ÓïÑÔÖжÔʱ¼äµÄ²Ù×÷¡¢»ñÈ¡ºÍÏÔʾµÈµÈµÄÎÊÌâ¡£ÏÂÃæ£¬ÔÚÕâÆªÎÄÕÂÖУ¬±ÊÕß½«Ö÷Òª½éÉÜÔÚC/C++ÖÐʱ¼äºÍÈÕÆÚµÄʹÓ÷½·¨.
ͨ¹ýѧϰÐí¶àC/C++¿â£¬Äã¿ÉÒÔÓкܶà²Ù×÷¡¢Ê¹ÓÃʱ¼äµÄ·½·¨¡£µ«Ô ......
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 ......
Ô´Âë:
# include <stdio.h>
int main()
{
/* ¶¨Òå±äÁ¿²¢¸³³õÖµ */
int a = 5;
char c = 'a'; // 'a'µÄASCÂëµÄֵΪ97
  ......
Ô´Âë:
# include <stdio.h>
int main()
{
int num;
/* ÏÂÃæ¶¨ÒåµÄ¸÷±äÁ¿£¬·Ö±ð´ú±í¸öλ£¬Ê®Î»£¬°Ùλ£¬Ç§Î»£¬Íòλ£¬Ê®ÍòλÒÔ¼°Î»Êý */
int indiv, ten, hundred, thousand;
int ten_thousand, hundred_thous ......