求助

Kevinyyds @ 2022-08-15 08:43:07

#include<bits/stdc++.h> 
using namespace std;
int n,a,b,x,y;
double c,z;
int main()
{ 
    cin>>n;
    cin>>x>>y;
    z=x*1.00/y;
    for(int i=2;i<=n;i++)
    {
        cin>>a>>b;
        c=a*1.00/b;
        if(z-c>0.05)
            cout<<"better"<<endl;
        else
            if(c-z>0.05)
                cout<<"worse"<<endl;
            else
                cout<<"same"<<endl;
    }
    return 0;
}

by Eydte @ 2022-08-15 09:12:56

@Kevinyyds 改成 1.00*a/b 试试

by Eydte @ 2022-08-15 09:28:07

或者全部用double，直接除，比较

by Kevinyyds @ 2022-08-15 11:01:21

https://www.luogu.com.cn/record/83840509

#include<bits/stdc++.h> 
using namespace std;
double n,a,b,x,y,c,z;
int main()
{ 
    cin>>n;
    cin>>x>>y;
    z=1.00*x/y;
    for(int i=2;i<=n;i++)
    {
        cin>>a>>b;
        c=1.00*a/b;
        if(z-c>0.05)
            cout<<"better"<<endl;
        else
            if(c-z>0.05)
                cout<<"worse"<<endl;
            else
                cout<<"same"<<endl;
    }
    return 0;
}

还是老样子

by kuikuidadi @ 2023-01-23 15:37:14

https://www.luogu.com.cn/record/100412654#:~:text=15%3A33%3A53-,%E6%B5%8B%E8%AF%95%E7%82%B9%E4%BF%A1%E6%81%AF,Accepted%2C%20%E5%BE%97%E5%88%86%2010.ok%20accepted,-%E5%9C%A8%E6%B4%9B%E8%B0%B7 你这样改就可以了！！！

#include<bits/stdc++.h> 
using namespace std;
double n,a,b,x,y,c,z;
int main()
{ 
    cin>>n;
    cin>>x>>y;
    z=y/x;
    for(int i=2;i<=n;i++)
    {
        cin>>a>>b;
        c=b/a;
        if(c-z>0.05)
            cout<<"better"<<endl;
        else
            if(z-c>0.05)
                cout<<"worse"<<endl;
            else
                cout<<"same"<<endl;
    }
    return 0;
}