/ SeriousOJ /

Record Detail

Accepted


  
# Status Time Cost Memory Cost
#1 Accepted 1ms 532.0 KiB
#2 Accepted 1ms 412.0 KiB
#3 Accepted 1ms 532.0 KiB
#4 Accepted 1ms 532.0 KiB

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

signed main() {
    ios_base::sync_with_stdio(0); cin.tie(0);

    int M; cin >> M;
    unordered_set<string> st;
    for (int i = 0; i < M; i++) {
        string name; cin >> name;
        st.insert(name);
    }

    unordered_set<string> temp;
    int n; cin >> n;
    while (n--) {
        string person; cin >> person;
        if (st.find(person) == st.end()) cout << "Sorry, not on the list.\n";
        else if (temp.find(person) != temp.end()) cout << "Already inside!\n";
        else {
            cout << "Welcome!\n";
            temp.insert(person);
        }
    }
}

Information

Submit By
Type
Submission
Problem
P1227 LUCC Party Check-in
Contest
LUCC Presents Intra LU Junior Programming Contest - Replay
Language
C++17 (G++ 13.2.0)
Submit At
2025-09-02 15:41:39
Judged At
2025-09-02 15:41:39
Judged By
Score
100
Total Time
1ms
Peak Memory
532.0 KiB