史 山 代 码

自己看吧

#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
int main()
{
    double m,a,ans=0;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cin>>m;  if(m>800) ans=ans+m*0.2-160;
    cout << fixed << setprecision(2) << ans;
    return 0;
}