@[Romanrose](/user/1009695)
```cpp
#include <iostream>
#include <iomanip>
using namespace std;
int main(){//P1035 [NOIP2002 普及组] 级数求和
int k;
cin >> k;
int n = 1;
double sum = 0.0;
while(sum <= k){
sum = sum + (double)(1.0 / n);
if(sum>k) break;
n++;
}
cout << n;
return 0;
}
```
by Dream_Creator @ 2024-01-21 21:32:04
谢谢你
by Romanrose @ 2024-01-21 21:47:13