Submission #220579

#	Time	Username	Problem	Language	Result	Execution time	Memory
220579		pavement	Exhibition (JOI19_ho_t2)	C++17	0 / 100	5 ms	384 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front
#define eb emplace_back
typedef long double ld;

int N, M, mto, S[100005], V[100005], C[100005];
pair<int, int> O[100005];
deque<int> D;

main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> N >> M;
	for (int i = 1; i <= N; i++)
		cin >> O[i].second >> O[i].first;
	sort(O + 1, O + 1 + N);
	for (int i = 1; i <= N; i++)
		tie(V[i], S[i]) = O[i];
	for (int i = 1; i <= M; i++) cin >> C[i];
	sort(C + 1, C + 1 + M);
	for (int i = 1; i <= N; i++) {
		while (!D.empty() && (M == 1 || S[D.back()] > C[M - 1])) D.ppb();
		while (!D.empty() && (M - D.size() <= 0 || S[D.front()] > C[M - D.size()])) D.ppf();
		if (C[M] >= S[i]) D.pb(i);
		mto = max(mto, (int)D.size());
	}
	cout << mto << '\n';
}

Compilation message (stderr)

joi2019_ho_t2.cpp:17:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

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