```cpp
#include <bits/stdc++.h>
using namespace std;
int main ()
{
double n;
cin >> n;
if (n <= 150)
printf ("%.1lf", 0.4463 * n);
else if (n >= 151 && n <= 400)
printf ("%.1lf", 150 * 0.4463 + (n - 150) * 0.4663);
else
printf ("%.1lf", 150 * 0.4463 + (n - 150 - (n - 400)) * 0.4663 + (n - 400) * 0.5663);
return 0;
}
```
by Perfect_Youth @ 2023-07-27 10:35:17
@[gjm123456](/user/522406)
by Perfect_Youth @ 2023-07-27 10:35:38
@[Perfect_Youth](/user/725816) 谢谢了
by gjm123456 @ 2023-07-27 14:04:16
@[gjm123456](/user/522406) 不用谢
by Perfect_Youth @ 2023-07-27 14:07:20
https://www.luogu.com.cn/user/725816
###### 厉害
1. - | | |
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by Tony914 @ 2023-08-11 10:35:29