求的是Sn>k呀
by 我不认识你 @ 2019-03-09 12:45:55
@[喜儿](/space/show?uid=166964)
这样试试?
```cpp
#include<iostream>
using namespace std;
int main(){
double sn=0,k,i=0;
cin>>k;
for(;sn <= k; sn += 1.0 / (++i)) {}
cout<<i<<endl;
return 0;
}
```
by 北极鹅 @ 2019-03-09 13:04:46
@[北极鹅](/space/show?uid=29277) 感谢?,解决了,我又用do while 写了,也成功了。
by 喜儿 @ 2019-03-31 16:28:30