PAT甲级1006

#include<cstdio>#include<iostream>#include<cstring>using namespace std;struct node{    char id[18];  int in;  int out;}s[110];int main(){  int n,i,j,inh,inm,ins,oh,om,os;  long signin=0,signout=0;  int max=0,min=99999999;  int flag1=-1,flag2=-1;  scanf("%d",&n);  for(i=0;i<n;i++)  {  scanf("%s%d:%d:%d%d:%d:%d",&s[i].id,&inh,&inm,&ins,&oh,&om,&os);      signin=inh*3600+inm*60+ins;    signout=oh*3600+om*60+os;    if(signin<min) {min=signin;flag1=i;}    if(signout>max) {flag2=i;max=signout;}  }   printf("%s %s",s[flag1].id,s[flag2].id);    return 0;}