水提水题,直接贴代码啦

#include<cstdio>
#include<algorithm>
using namespace std;
struct ppp{
    int id;
    int juli;
}arr[10005];
bool cmp(ppp A,ppp B){
    return A.juli<B.juli;
}
int main(){
    int N;scanf("%d",&N);
    for(int i=0;i<N;i++){
        int id,x,y;
        scanf("%d %d %d",&id,&x,&y);
        arr[i].id=id;arr[i].juli=x*x+y*y;
    }
    sort(arr,arr+N,cmp);
    printf("%04d %04d",arr[0].id,arr[N-1].id);
    return 0;
}