Submission #68108165

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Source Code Expand

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

using ui = unsigned;
using ll = long long;
using ull = unsigned long long;
using pii = pair<int, int>;

template <typename T, typename... Args>
void dbg(const T &first, Args... args) {
	cout << first;
	if constexpr (sizeof...(args)) {
		cout.put(' ');
		dbg(args...);
	} else {
		cout << endl;
	}
}

constexpr int N = 200000 + 1;

void solve() {
	
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	
#ifdef jiji
	freopen("../IO/input.txt", "r", stdin);
#endif
	
	int n, m;
	cin >> n >> m;
	multiset<int> s;
	for (int i = 1; i <= n; ++i) {
		int x;
		cin >> x;
		s.insert(x);
	}
	for (int i = 1; i <= m; ++i) {
		int x;
		cin >> x;
		s.extract(x);
	}
	for (int i : s) {
		cout << i << ' ';
	}
	return 0;
}

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