#include 
     
      struct pNode{    char id[20];    int hh,mm,ss;}ans1,ans2, temp;bool great(pNode node1, pNode node2){       //时间node1 大于node2 返回真    if (node1.hh != node2.hh) return node1.hh>node2.hh;    if (node1.mm != node2.mm) return node1.mm>node2.mm;     if (node1.ss != node2.ss) return node1.ss>node2.ss;    return false;}int main(){    int n;    scanf("%d", &n);    ans1.hh = 24; ans1.mm = 60; ans1.ss = 60;    ans2.hh = 0; ans2.mm = 0; ans2.ss = 0;    for (int i=0; i