제출 #209201

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
209201		kostia244	Exhibition (JOI19_ho_t2)	C++17	50 / 100	494 ms	13820 KiB

joi2019_ho_t2

#include<bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define pb push_back
using namespace std;
using ll = long long;
using vi = vector<ll>;
using pi = pair<ll, ll>;
const int maxn= 1030;
int n, m, dp[maxn][maxn];
vector<pi> a;
vi b;
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> m;
	a.resize(n);
	b.resize(m);
	for(int i = 0; i < n; i++) cin >> a[i].second >> a[i].first;
	for(int i = 0; i < m; i++) cin >> b[i];
	sort(all(a));
	sort(all(b));
	memset(dp, -0x3f, sizeof dp);
	dp[0][0] = 0;
	for(int i = 0; i <= n; i++) {
		for(int j = 0; j <= m; j++) {
			dp[i+1][j] = max(dp[i][j], dp[i+1][j]);
			dp[i][j+1] = max(dp[i][j], dp[i][j+1]);
			if(i<n&&j<m&&a[i].second<=b[j])
				dp[i+1][j+1] = max(dp[i+1][j+1], dp[i][j]+1);
		}
	}
	cout << dp[n][m];
}

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 0 / 50