求大佬看看为什么除了1以外都比正确答案多1呢

GOODSSouth @ 2023-05-02 16:15:10

#include<stdio.h>
int main()
{
int a=1,N;
double b=0.0;
scanf("%d",&N);
for(;b<N;)
   {
   b=1.0/a+b;
   a++;
   }
printf("%d",a);
return 0;
}

by WhisperingWillow @ 2023-05-26 20:52:20

@buzhidao 为什么只作入门题？

by _buzhidao_ @ 2023-05-26 20:53:27

@jordendujunrui ???

by lztz0503 @ 2023-08-28 13:07:40

@WhisperingWillow 关于红色省选-这件事（