WA70求

#include<bits/stdc++.h>
using namespace std;
struct shop{
    double a,b,c;
}s[100005];
int main(){
    int n,max2;
    shop max;
    max.c=INT_MIN;
    max.a=INT_MAX;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>s[i].a>>s[i].b;
        s[i].c=s[i].b/s[i].a;
        if(max.c<s[i].c||(max.b=s[i].b&&max.a>s[i].a)){
            max.c=s[i].c;
            max.b=s[i].b;
            max.a=s[i].a;
            max2=i;
        }
    }
    cout<<max2;
    return 0;
}