Submission #1243041

#	Time	Username	Problem	Language	Result	Execution time	Memory
1243041		vellvk	Pizza (COCI21_pizza)	C++20	50 / 50	0 ms	328 KiB

Main

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

int main() {
    int N;
    cin >> N;

    unordered_set<int> dislike;
    for (int i = 0; i < N; i++) {
        int snack;
        cin >> snack;
        dislike.insert(snack);
    }

    int M;
    cin >> M;
    int count = 0; // jumlah bingkisan yang aman

    for (int i = 0; i < M; i++) {
        int K;
        cin >> K;
        bool aman = true;

        for (int j = 0; j < K; j++) {
            int snack;
            cin >> snack;
            if (dislike.count(snack)) {
                aman = false; 
            }
        }

        if (aman) count++;
    }

    cout << count << endl;
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10