1. 没有#号。
2. 改a要加一个“a=”
3. 要写return 0;
by AlgoEmperor @ 2018-06-24 12:58:41
#include<iostream>
using namespace std; int main()
{ double a;
cin>>a;
if(a<=150)a*0.4463;
else if(a<=400)
((a=a-150)0.4663+66.945);
else if(a>=401)
((a-400)0.5663+183.52); cout<<a<<endl;
return 0
}
by 共岂羽HKX @ 2018-06-24 13:08:31
include前有#的
by 共岂羽HKX @ 2018-06-24 13:09:30
好心人帮您加Markdown
```cpp
#include<iostream>
using namespace std;
int main()
{
double a;
cin>>a;
if(a<=150)a*0.4463;
else if(a<=400)((a=a150)0.4663+66.945);
else if(a>=401) ((a-400)0.5663+183.52);
cout<<a<<endl;
return 0 ;
}
```
by henrytb @ 2018-06-24 13:18:38