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求救 :错那里了 ?

Posted by second at 2007-05-26 17:09:24 on Problem 1003
#include<stdio.h>
void main(){
 	float c;
 	scanf("%f\n",&c);
 	int i;float sum=0;
 	for(i=1;;i++){
 	   float b=1/(i+1);
       sum=b+sum;
 	   if(sum>c) break;
	}
   printf("%d card(s)\n",i);
 }

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