Submission #364605

#	Time	Username	Problem	Language	Result	Execution time	Memory
364605		Rainbowbunny	Exhibition (JOI19_ho_t2)	C++17	100 / 100	60 ms	4588 KiB

joi2019_ho_t2

#include <iostream>
#include <algorithm>

int n, m;
std::pair <int, int> picture[100005];
int frame[100005];

int main()
{
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(0);
	std::cout.tie(0);
	std::cin >> n >> m;
	for(int i = 1; i <= n; i++)
	{
		std::cin >> picture[i].second >> picture[i].first;	
	}	
	for(int i = 1; i <= m; i++)
	{
		std::cin >> frame[i];
	}
	std::sort(picture + 1, picture + n + 1);
	std::sort(frame + 1, frame + m + 1);
	int cur = m;
	for(int i = n; i >= 1; i--)
	{
		if(cur > 0 and frame[cur] >= picture[i].second)
		{
			cur--;
		}
	}
	std::cout << m - cur;
}

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