萌新不懂，为啥WA？

//2022tysc0784
#include<iostream>
#include<iomanip>
#include<cmath>
#include<cstring>
using namespace std;
int n;
double n1,n2,n3,n4;
double s1;
int main(){
    cin>>n;
    cin>>n1>>n2;
    s1=n2/n1;
    for(int i=1;i<n;i++){
        cin>>n3>>n4;
        double s2,sum;
        s2=n4/n3;
        if(s2-s1>0.05){
            cout<<"better";
        }else{
            if(s1-s2>0.05)cout<<"worse";
            else cout<<"same";
        }
    }
}