@[hdz2007](/space/show?uid=91483)
```cpp
#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;
int main()
{
int i;
double s;
cin>>i;
if(i<=150)
{
s=i*0.4463;
}
if(i>150 && i<400)
{
s=150*0.4463+(i-150)*0.4663;
}
if(i>=400)
{
s=150*0.4463+250*0.4663+(i-400)*0.5663;
}
printf("%.1lf", s);
return 0;
}
```
by Smile_Cindy @ 2018-10-13 21:47:07
@[Alpha](/space/show?uid=87058) 谢大佬
by SparrowHe @ 2018-10-14 18:53:42