```
#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
long long m;
double n;
cin>>m;
if(m<=150) n=0.4463*m;
else{
n=(m<=400)? (m-150)*0.4663+150*0.4463:(m-400)*0.5663+250*0.4663+150*0.4463;
}
cout<<fixed<<setprecision(1)<<n;
return 0;
}
```
400-150呀
by Lifty @ 2022-03-31 10:46:16
@[阿莱丽兹](/user/378697)
谢谢谢谢，太感谢了，我真是眼瞎
by feng_nuoyiman @ 2022-03-31 10:53:41
捕捉！
by QWQ_JL @ 2022-03-31 10:54:15