/ SeriousOJ /

Record Detail

Accepted


  
# Status Time Cost Memory Cost
#1 Accepted 1ms 536.0 KiB
#2 Accepted 1ms 496.0 KiB
#3 Accepted 1ms 532.0 KiB
#4 Accepted 1ms 532.0 KiB

Code

#include <bits/stdc++.h>
#define nl '\n'
#define ll long long
#define all(c) c.begin(),c.end()
#define print(c) for(auto e : c) cout << e << " "; cout << nl
using namespace std;

int main()
{
    ios_base::sync_with_stdio(false); cin.tie(NULL);

    int m; cin >> m;
    map<string, int> guests;
    for (int i = 0; i < m; i++)
    {
        string s; cin >> s;
        guests[s] = 0;
    }
    
    int n; cin >> n;
    while (n--)
    {
        string s; cin >> s;

        if(!guests.count(s)) cout << "Sorry, not on the list." << nl;
        else if(guests[s] == 0) 
        {
            cout << "Welcome!" << nl;
            guests[s]++;
        }
        else cout << "Already inside!" << nl;
    }
    

    return 0;
}

Information

Submit By
Type
Submission
Problem
P1227 LUCC Party Check-in
Language
C++17 (G++ 13.2.0)
Submit At
2025-09-18 14:10:14
Judged At
2025-09-18 14:10:14
Judged By
Score
100
Total Time
1ms
Peak Memory
536.0 KiB