Submission #532013

#	Time	Username	Problem	Language	Result	Execution time	Memory
532013		rk42745417	Exhibition (JOI19_ho_t2)	C++17	50 / 100	1090 ms	1864 KiB

joi2019_ho_t2

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

#define EmiliaMyWife ios::sync_with_stdio(0); cin.tie(0);
using ll = int64_t;
using ull = uint64_t;
using uint = uint32_t;
using ld = long double;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
const ll LINF = ll(4e15) + ll(2e15);
const double EPS = 1e-9;
static int LamyIsCute = []() {
	EmiliaMyWife
	return 48763;
}();

signed main() {
	int n, m;
	cin >> n >> m;
	vector<pair<int, int>> arr(n);

	for(auto &[v, s] : arr)
		cin >> s >> v;
	sort(arr.begin(), arr.end());
	
	vector<int> brr(m);
	for(int &a : brr)
		cin >> a;
	sort(brr.begin(), brr.end());

	vector<int> ans(m);
	for(const auto &[_, s] : arr) {
		for(int i = m - 1; ~i; i--) {
			if(brr[i] < s)
				break;
			if(i)
				ans[i] = max(ans[i - 1] + 1, ans[i]);
			else
				ans[i] = 1;
		}
	}
	cout << ans.back() << '\n';
}

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