C++ 代码

#include<bits/stdc++.h>
using namespace std;
const int N=15;
string s[N];
map<string,pair<int,int> > mp;
int main(){
    int n,i=0;
    cin>>n;
    int m=n;
    while(n--){
        cin>>s[i];
        int h1,m1,s1,h2,m2,s2;
        scanf("%d:%d:%d %d:%d:%d",&h1,&m1,&s1,&h2,&m2,&s2);
        int date1=(m1*60+s1+h1*3600),date2=(m2*60+s2+h2*3600);
        mp[s[i]]={date1,date2};
        i++;
    }
    int min=24*3600,max = 0;
    string s_min="",s_max="";
    for(int j = 0;j<m;j++){
        if(mp[s[j]].first<min) {
            min = mp[s[j]].first;
            s_min=s[j];
        }
        if(mp[s[j]].second>max){
            max = mp[s[j]].second;
            s_max = s[j];
        }
    }
    cout<<s_min<<" "<<s_max;
    return 0;
}