Submission #101701

#	Time	Username	Problem	Language	Result	Execution time	Memory
101701		KCSC	Exhibition (JOI19_ho_t2)	C++14	100 / 100	204 ms	4516 KiB

joi2019_ho_t2

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

const int DIM = 100005;

int frm[DIM];
pair<int, int> pic[DIM];

int main(void) {
#ifdef HOME
	freopen("exhibition.in", "r", stdin);
	freopen("exhibition.out", "w", stdout);
#endif
	int n, m; cin >> n >> m;
	for (int i = 1; i <= n; ++i) {
		cin >> pic[i].second >> pic[i].first; }
	for (int i = 1; i <= m; ++i) {
		cin >> frm[i]; }
	sort(pic + 1, pic + n + 1);
	sort(frm + 1, frm + m + 1);
	int ans = 0;
	for (int i = m, it = n; i >= 1; --i) {
		while (it > 0 and frm[i] < pic[it].second) {
			--it; }
		if (!it) {
			break; }
		else {
			++ans; --it; } }
	cout << ans;
	return 0; }

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