1*AC

yangchenhao123 @ 2024-06-24 20:18:18

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int a;
    cin>>a;
    if(a<=150){
        cout<<fixed<<setprecision(1)<<a*0.4463;
    }else if(a<151&&a>400){
        cout<<fixed<<setprecision(1)<<a*0.4663;
    }else if(a>=401){
        cout<<fixed<<setprecision(1)<<a*5663;
    }
    return 0;
}

by Grammar__hbw @ 2024-06-24 20:23:43

@yangchenhao123 首先，不是5663，是0.5663；其次，题目要求分段计费，不可以直接乘。

by WEICY123 @ 2024-06-24 20:31:44

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int a;
    cin>>a;
    if(a<=150){
        cout<<fixed<<setprecision(1)<<a*0.4463;
    }else if(a>=151&&a<=400){
        cout<<fixed<<setprecision(1)<<150*0.4463+(a-150)*0.4663;
    }else if(a>=401){
        cout<<fixed<<setprecision(1)<<150*0.4463+250*0.4663+(a-400)*0.5663;
    }
    return 0;
}

@yangchenhao123 所以要改成这样

by yangchenhao123 @ 2024-06-25 12:53:22

谢谢