제출 #975630

#제출 시각아이디문제언어결과실행 시간메모리
975630vjudge1Pizza (COCI21_pizza)C++17
50 / 50
1 ms348 KiB
#include <iostream> #include <vector> #include <unordered_set> using namespace std; int main() { int N; cin >> N; unordered_set<int> dislikedSnacks; for (int i = 0; i < N; i++) { int snack; cin >> snack; dislikedSnacks.insert(snack); } int M; cin >> M; int count = 0; for (int i = 0; i < M; i++) { int Ki; cin >> Ki; bool valid = true; for (int j = 0; j < Ki; j++) { int snack; cin >> snack; if (dislikedSnacks.count(snack)) { valid = false; } } if (valid) { count++; } } cout << count << endl; return 0; }
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