题目传送门：

题解：

#include
     
      #include
      
       #include
       
        using namespace std;struct Infor {    string num;    int x;    int y;    float score;};void IniteInfor(Infor infor[], int n) {    for (int i = 0; i < n; i++) {        infor[i].num = "";        infor[i].x = 0;        infor[i].y = 0;        infor[i].score = 0.0;    }}bool cmp(Infor infor1, Infor infor2) {    return infor1.score > infor2.score;}int main() {    int n;    cin >> n;    Infor infor[n];    IniteInfor(infor, n);    for (int i = 0; i < n; i++) {        cin >> infor[i].num >> infor[i].x >> infor[i].y;        infor[i].score = sqrt(infor[i].x*infor[i].x + infor[i].y*infor[i].y);    }    sort(infor, infor + n, cmp);    cout << infor[n - 1].num << " " << infor[0].num << endl;    return 0;}