求助求助555

GAOXINGYI0703 @ 2024-10-07 16:44:49

#include <bits/stdc++.h>
using namespace std;
double x,y;
int main() {
    cin>>x;
    if(x>=0&&x<5) {
        y=(-1*x)+2.5;
        printf("%.3f",&y);
    }
    if(x>=5&&x<10) {
        y=(2-1.5)*(x-3)*(x-3);
        printf("%.3f",&y);
    }
    if(x>=10&&x<20) {
        y=(x/2)-1.5;
        printf("%.3f",&y);
    }

    return 0;
}

by lichitao75 @ 2024-10-07 16:49:24

#include<bits/stdc++.h>
using namespace std;
float x;
int f() {
    double y;
    if(x>=0&&x<5) {
        x=-x;
        y=x+2.5;
        cout<<fixed<<setprecision(3)<<y;
        return 0;
    }
    if(x>=5&&x<10) {
        y=2-1.5*(x-3)*(x-3);
        cout<<fixed<<setprecision(3)<<y;
        return 0;
    }
    if(x>=10&&x<20) {
        y=x/2-1.5;
        cout<<fixed<<setprecision(3)<<y;
        return 0;
    }
}
int main() {
    cin>>x;
    f();
    return 0;
}

咳咳咳，知道该给些什么吧

by GAOXINGYI0703 @ 2024-10-07 16:51:39

感谢大佬，请收下卑微的关注和膝盖@lichitao75

by GAOXINGYI0703 @ 2024-10-07 16:59:48

有没有哪位大佬能在原代码上更改，一定献上卑微的关注和膝盖！！！