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#include <stdio.h>
#include <stdlib.h>
int onlyone(int a[])
{
int i,k = 0;
for(i = 1;i <= 13;i++)
if(a[i] == 0)
k++;
if(k > 1)
return 0;
else if(k ==1)
return 1;
}
int main()
{
int a[13] = {0};
int i = 1,k = 0;
while(!onlyone(a))
{
  if(a[i] == 0)
  k++;
  if(k == 3)
  {
  a[i] = 1;
  k = 0;
  }
  i++;
  if(i == 14)
  i = 1;
}
printf("%d",i);
system("pause");
return 0;
}


for(i = 1;i <= 13;i++)
if(a[i] == 0)
k++; (´Ë´¦ÓÐa[13]³öÏÖ£¬ËùÒÔ˵Êý×éÔ½½ç£¡)
»¹ÓиöÎÊÌ⣺ʲôʱºò³ÌÐòÌø³öwhile(!onlyone(a))£¡Ó¦¸ÃÔÚֻʣÏÂÒ»¸öÈ˵Äʱºò£¬ÄÇ´Ëʱi
ÊÇʲôÊý£¿ËüÊÇ×îºóһλÍ˳öµÄÈË£¬¾­¹ýi++ºóӦΪ9£¡Ò²¾ÍÊÇ˵×îºóһλÍ˳öµÄÊǵڰËλ£¡×îºó¿ÉÒÔ¸ÄΪ£º
for(i=1;i <=13;i++)
{
          if(a[i]==0)
          {printf("%d\n",i);
          break;
          }
}


/*
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