Submission #765550

#	Time	Username	Problem	Language	Result	Execution time	Memory
765550		NK_	Exhibition (JOI19_ho_t2)	C++17	0 / 100	1 ms	324 KiB

joi2019_ho_t2

// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>

using namespace std;

#define nl '\n'

template<class T> using V = vector<T>;

int main() {
	cin.tie(0)->sync_with_stdio(0);
	
	int N, M; cin >> N >> M;

	V<array<int, 2>> A(N); for(auto& x : A) cin >> x[1] >> x[0];

	V<int> MX(M); for(auto& x : MX) { cin >> x; x = -x; }

	sort(rbegin(A), rend(A));
	sort(begin(MX), end(MX));

	// for(auto x : A) cout << x[0] << " " << x[1] << endl;

	V<int> dp;
	for(int i = 0; i < N; i++) {
		int x = -A[i][1];
		int pos = upper_bound(begin(dp), end(dp), x) - begin(dp);
		if (pos >= M) continue;
		if (x < MX[pos]) continue;

		if (pos < int(size(dp))) dp[pos] = x;
		else dp.push_back(x);
		// cout << x << " " << pos << endl;
	}
	cout << size(dp) << nl;


    return 0;
}

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