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各位大哥！我的程序错在哪啊？为什么wrong answer啊？

Posted by yiyiyi4321 at 2005-07-25 13:37:27 on Problem 1517 
#include<stdio.h>
main()
{int n;
 long sum;
 double c,e=0.0;
 printf("\nn e\n");
 printf("- -----------\n");
 for(n=0;n<=9;n++)
 {if(n==0)sum=1;
  else sum*=n;
  c=1.0/sum;
  e+=c;
  if(n<9)printf("%d %.10g\n",n,e);
  else printf("%d %.10g",n,e);
 }
}
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