Submission #765556

#	Time	Username	Problem	Language	Result	Execution time	Memory
765556		NK_	Exhibition (JOI19_ho_t2)	C++17	100 / 100	42 ms	4416 KiB

joi2019_ho_t2

// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>

using namespace std;

#define nl '\n'

template<class T> using V = vector<T>;

int main() {
	cin.tie(0)->sync_with_stdio(0);
	
	int N, M; cin >> N >> M;

	V<array<int, 2>> A(N); for(auto& x : A) cin >> x[1] >> x[0];

	V<int> MX(M); for(auto& x : MX) { cin >> x; }

	sort(rbegin(A), rend(A));
	sort(rbegin(MX), rend(MX));

	int ans = 0;
	for(int i = 0; i < N; i++) {
		int x = A[i][1]; /*cout << MX[ans] << " " << x << endl;*/
		if (MX[ans] >= x) ans++;
		if (ans == M) break;
	}
	cout << ans << nl;

    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50