80WA求助
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80WA求助
780213
Dian_ed楼主2023/3/12 20:02
//2022tysc0784
#include<iostream>
#include<iomanip>
#include<cmath>
using namespace std;
long long a;
float b,c,d;
int main(){
    cin>>a;
    if(a>=90){
        cout<<"4.0";
    }else{
        if(a>=60){
            b=(90-a)*0.1;
            cout<<setprecision(1)<<fixed<<4.0-b;
        }else{
            b=sqrt(a)*10;
            if(b>=60){
                b=(90-a)*0.1;
                cout<<setprecision(1)<<fixed<<4.0-b;
            }else{
                cout<<"0.0";
            }
        }
    }
}

改了好几次,从60->80了,求调!

2023/3/12 20:02
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