#2#5求助

CroxNither_QAQ @ 2023-04-27 22:34:39

#include<iostream> 
#include<cstring>
//#include<cmath>
//#include<algorithm>
//#include<iomanip>  cout<<fixed<<setprecision()
using namespace std;

int main(){
    int a;double n;
    cin>>a;
    if(a<=0){
        cout<<0;
        return 0;
    }
    if(a<=150){
        n+=a*0.4463;
        printf("%.1lf",n);
    }else if(a>=151 && a<=400){
        n+=0.4463*150;
        n+=(a-150)*0.4663;
        printf("%.1lf",n);
    }else if(a>401){
        n=0.4463*150+249*0.4663+(a-401)*0.5663;
        printf("%.1lf",n);
    }

    return 0;
}

by wangcaizsr @ 2023-04-27 22:48:21

你那道题不是还没AC吗？

by wangcaizsr @ 2023-04-27 22:48:59

BMI那个

by jiangxinyang2012 @ 2023-04-28 08:46:29

@CroxNither_QAQ

#include<iostream> 
#include<cstring>
//#include<cmath>
//#include<algorithm>
//#include<iomanip>  cout<<fixed<<setprecision()
using namespace std;

int main(){
    int a;double n=0;
    cin>>a;
    if(a<=0){
        cout<<0;
        return 0;
    }
    if(a<=150){
        n+=a*0.4463;
        printf("%.1lf",n);
    }else if(a>=151 && a<=400){
        n+=0.4463*150;
        n+=(a-150)*0.4663;
        printf("%.1lf",n);
    }else if(a>=401){
        n=0.4463*150+250*0.4663+(a-400)*0.5663;
        printf("%.1lf",n);
    }

    return 0;
}

by jiangxinyang2012 @ 2023-04-28 08:49:52

1.你的n没赋0

2.

else if(a>401){
        n=0.4463*150+249*0.4663+(a-401)*0.5663;
        printf("%.1lf",n);
    }

这一段应该改成

else if(a>=401){
        n=0.4463*150+250*0.4663+(a-400)*0.5663;
        printf("%.1lf",n);
    }

by CroxNither_QAQ @ 2023-04-28 13:02:58

@2021Changqing60 谢谢大佬！