1006. Sign In and Sign Out (25)

#include <cstdio>
#include <cstdlib>
#include <queue>
#include <cstring>
#include <string>
#include <vector>
#include <map>
#include <iostream>
#include <algorithm>
using namespace std;

string early, last, ename, lname;

void solve(){
int M;
string name, t;
cin >> M;
for (int i = 0; i<M; i++){
cin >> name >> t;
if (i == 0 || t<early){
early = t;
ename = name;
}
cin >> t;
if (i == 0 || t>last){
last = t;
lname = name;
}

}
cout << ename << ' ' << lname;
}

int main()
{
solve();
return 0;
}