为啥在dev上面样例是对的咧???
#include<bits/stdc++.h>
using namespace std;
int main()
{
double n,monny=0;
cin>>n;
if(n<=150)
{
monny=n*0.4463;
}
else if(n>150&&n<=400)
{
monny=66.9+((n-150)*0.4663);
}
else
{
monny=66.9+(250*0.4663)+((n-400)*0.5663);
}
cout<<fixed<<setprecision(1)<<monny;
return 0;
}