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# include <stdio.h>
int main()
{
int x, y;
printf("ÇëÊäÈë×Ô±äÁ¿x£º");
scanf("%d", &x);
if(x < 6)
{
y = x - 12;
printf("x = %d, y = %d\n", x, y);
}
else if(x < 15)
{
y = 3*x - 1;
printf("x = %d, y = %d\n", x, y);
}
else
{
y = 5*x + 9;
printf("x = %d, y = %d\n", x, y);
}
return 0;
}
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ÓÃÒ»¾ä»°¸ÅÀ¨extern “C”Õâ¸öÉùÃ÷µÄÕæÊµÄ¿µÄ¾ÍÊÇʵÏÖC++ÓëC¼°ÆäËüÓïÑԵĻìºÏ±à³Ì¡£
extern "C"µÄ¹ßÓ÷¨
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extern "C"
{
££i nclude "cExample.h"
}
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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;
}
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Ô´Âë:
# include <stdio.h>
int main()
{
/* »»Ðзû'\n'£¬ÓÃÓÚÊä³ö»»ÐÐ */
printf("How are you?\n");
printf("I am fine.\n\n");
/* ºáÏòÌø¸ñ·û'\t'£¬Ê¹Ìøµ½ÏÂÒ»¸öÊä³öÇø */
  ......