Submission #197457

#	Time	Username	Problem	Language	Result	Execution time	Memory
197457		Juney	Exhibition (JOI19_ho_t2)	C++14	100 / 100	76 ms	4720 KiB

joi2019_ho_t2

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

#define fi first
#define se second

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e5 + 5;

int N, M, C[MAXN], ans;
pii A[MAXN];

priority_queue<pii> pq;

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	cin >> N >> M;
	for(int i=1; i<=N; i++) {
		int s, v; cin >> s >> v;
		pq.push(pii(v, s));
	}
	for(int i=1; i<=M; i++) cin >> C[i];
	sort(C+1, C+1+M);
	for(int i=M; i>=1; i--) {
		while(!pq.empty() && pq.top().se > C[i]) pq.pop();
		if(pq.empty()) break;
		pq.pop();
		ans++;
	}
	cout << ans;
}

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