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    enum ö¾ÙÃû{ ö¾ÙÖµ±í };
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2.  ö¾Ù±äÁ¿µÄ˵Ã÷
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enum weekday{ sun,mou,tue,wed,thu,fri,sat };
enum weekday a,b,c;
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enum weekday{ sun,mou,tue,wed,thu,fri,sat }a,b,c;
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enum { sun,mou,tue,wed,thu,fri,sat }a,b,c;
 
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1.  ö¾ÙÖµÊdz£Á¿£¬²»ÊDZäÁ¿¡£²»ÄÜÔÚ³ÌÐòÖÐÓø³ÖµÓï¾äÔÙ¶ÔËü¸³Öµ¡£
  ÀýÈç¶Ôö¾ÙweekdayµÄÔªËØÔÙ×÷ÒÔϸ³Öµ£º
    sun=5;
mon=2;
sun=mon;
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2.  ö¾ÙÔªËØ±¾ÉíÓÉϵͳ¶¨ÒåÁËÒ»¸ö±íʾÐòºÅµÄÊýÖµ£¬´Ó0¿ªÊ¼Ë³Ðò¶¨ÒåΪ0£¬1£¬2…¡£ÈçÔÚweekdayÖУ¬sunֵΪ0£¬monֵΪ1£¬…,satֵΪ6¡£
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main(){
    enum weekday
    { sun,mon,tue,wed,thu,fri,sat } a,b,c;
    a=sun;
    b=mon;
    c=tue;
    printf("%d,%d,%d",a,b,c);
}
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    a=sum;
b=mon;
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    a=0;
b=1;
ÊÇ´íÎóµÄ¡£ÈçÒ»¶¨Òª°ÑÊýÖµ¸³Óèö¾Ù±äÁ¿£¬Ôò±ØÐëÓÃÇ¿ÖÆÀàÐÍת»»¡£
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    a=(enum weekday)2;
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    a=tue;
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main(){
    enum body
    { a,b,c,d } month[31],j;
    int i;
    j=a;
    for(i=1;i<=30;i++){
      month[i]=j;
      j++;
      if (j>d) j=a;
  &n


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