Submission #1207977

#	Time	Username	Problem	Language	Result	Execution time	Memory
1207977		algoproclub	Exhibition (JOI19_ho_t2)	C++20	100 / 100	40 ms	1612 KiB

joi2019_ho_t2

// UUID: 09f6b0ff-117f-4b3d-b5e4-a699671afc5b
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;

int n, m, x;
vector <pair <int, int>> v;
vector <int> f;

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin >> n >> m;
	v.resize(n);
	f.resize(m);
	for (auto& p : v) cin >> p.second >> p.first;
	for (int& i : f) cin >> i;
	sort(v.begin(), v.end());
	sort(f.begin(), f.end());
	reverse(v.begin(), v.end());
	for (auto p : v) {
		int l = f.end() - lower_bound(f.begin(), f.end(), p.second);
		if (l > x) x++;
	}
	cout << x;
}

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