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louyuxiang

[C++] 纯文本查看 复制代码

#include<iostream>
#include<iomanip>
#include<cmath>
using namespace std;
int main(){
        float n,t,m;
        cin>>n>>t; 
        if(n>5 && t<=40){
                m=30*t;
        }if(n>5 && t>40){
                m=(t-40)*1.6+30*t;
        }if(n<=5 && t<=40){
                m=50*t;
        }if(n<=5 && t>40){
                m=(t-40)*1.6+50*t;
        }
    cout<<fixed<<setprecision(2)<<m<<endl;
}