step2_入门_ACM输入输出 开门人和关门人

#include<string>
#include<iomanip>
#include<cmath>
#include<cstdio>
#include<string.h>
using namespace std;
struct Node{
  string name;
  int h,m,s;
  friend bool operator< (Node& n1,Node&n2){
    if(n1.h!=n2.h)return n1.h<n2.h;
    if(n1.m!=n2.m)return n1.m<n2.m;
    if(n1.s!=n2.s)return n1.s<n2.s;
    return true;
  } 
};
int main(){
  int T;scanf("%d",&T);
  while(T--){
    Node mi,mx,no;//最早进入，最晚退出 
    int n;scanf("%d",&n);n--;
    char name[16]; int a,b,c;
    scanf("%s",name);
    scanf("%d:%d:%d",&a,&b,&c);//进入的时间 
    mi.name= name; 
    mi.h=a;
    mi.m=b;
    mi.s=c;
    scanf("%d:%d:%d",&a,&b,&c);
    mx.name= name; 
    mx.h=a;
    mx.m=b;
    mx.s=c;

    while(n--){
      scanf("%s",name);
      scanf("%d:%d:%d",&a,&b,&c);
      no.name= name; 
      no.h=a;
      no.m=b;
      no.s=c;
      if(no<mi)mi=no;     
      scanf("%d:%d:%d",&a,&b,&c);
      no.name= name; 
      no.h=a;
      no.m=b;
      no.s=c;
      if(mx<no)mx=no;
    }
    char c1[16],c2[16];
    strcpy(c1,mi.name.c_str());
    strcpy(c2,mx.name.c_str());
    printf("%s %s\n",c1,c2);
  }
  return 0;
}