oj.uz

Submission #219357

# Submission time Handle Problem Language Result Execution time Memory
219357 2020-04-05T07:35:07 Z maruii Treatment Project (JOI20_treatment) C++14
4 / 100
 161 ms 14060 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
#define ff first
#define ss second
#define eack emplace_back
#define all(x) (x).begin(), (x).end()

const ll INF = 1e18;
int N, M;
ll ans = INF;
map<int, vector<pair<pii, int>>> MP;


struct X {
	set<pil> S;
	void add(pil v) {
		auto it = S.lower_bound(pil(v.ff, 0));
		if (it != S.end() && it->ss <= v.ss) return;
		if (it == S.begin()) {
			if (it->ff == v.ff) S.erase(it);
			S.insert(v);
			return;
		}
		if (it->ff == v.ff) S.erase(it--);
		else --it;
		while (1) {
			if (it->ss >= v.ss) {
				if (it == S.begin()) {
					S.erase(it);
					break;
				}
				S.erase(it--);
			}
			else break;
		}
		S.insert(v);
	}

	void update(int s, int e, int v) {
		auto it = S.lower_bound(pil(s - 1, 0));
		if (it == S.end()) return;
		add(pil(e, it->ss + v));
	}
} a, b;

int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> N >> M;
	for (int i = 1; i <= M; ++i) {
		int t, l, r, c; cin >> t >> l >> r >> c;
		MP[t].eack(pii(r, l), c);
	}
	for (auto &i : MP) {
		int t = i.ff;
		sort(all(i.ss));
		for (auto it = a.S.begin(); it != a.S.end();) {
			if (it->ff > t) break;
			a.S.erase(it++);
		}
		for (auto it = b.S.begin(); it != b.S.end();) {
			if (it->ff > t) break;
			b.S.erase(it++);
		}
		a.S.insert(pil(t, 0));
		for (auto &j : i.ss) {
			a.update(t + j.ff.ss, t + j.ff.ff, j.ss);
			j.ff.ff = N + 1 - j.ff.ff;
			j.ff.ss = N + 1 - j.ff.ss;
			swap(j.ff.ff, j.ff.ss);
		}
		sort(all(i.ss));
		b.S.insert(pil(t, 0));
		for (auto &j : i.ss) b.update(t + j.ff.ss, t + j.ff.ff, j.ss);
		if (a.S.rbegin()->ff - t >= N - (b.S.rbegin()->ff - t)) {
			auto it = a.S.lower_bound(pil(N - (b.S.rbegin()->ff - t) + t, 0));
			ans = min(b.S.rbegin()->ss + it->ss, ans);
		}
	}
	if (ans == INF) ans = -1;
	cout << ans;
	return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 161 ms 14060 KB Output is correct
2 Correct 126 ms 7784 KB Output is correct
3 Correct 123 ms 7716 KB Output is correct
4 Correct 113 ms 7788 KB Output is correct
5 Correct 74 ms 2032 KB Output is correct
6 Correct 74 ms 2008 KB Output is correct
7 Correct 97 ms 2792 KB Output is correct
8 Correct 74 ms 1960 KB Output is correct
9 Correct 63 ms 2032 KB Output is correct
10 Correct 62 ms 2032 KB Output is correct
11 Correct 91 ms 2032 KB Output is correct
12 Correct 100 ms 2028 KB Output is correct
13 Correct 99 ms 2032 KB Output is correct
14 Correct 103 ms 2032 KB Output is correct
15 Correct 115 ms 2032 KB Output is correct
16 Correct 109 ms 2028 KB Output is correct
17 Correct 100 ms 2040 KB Output is correct
18 Correct 81 ms 2048 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Incorrect 5 ms 384 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Incorrect 5 ms 384 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 161 ms 14060 KB Output is correct
2 Correct 126 ms 7784 KB Output is correct
3 Correct 123 ms 7716 KB Output is correct
4 Correct 113 ms 7788 KB Output is correct
5 Correct 74 ms 2032 KB Output is correct
6 Correct 74 ms 2008 KB Output is correct
7 Correct 97 ms 2792 KB Output is correct
8 Correct 74 ms 1960 KB Output is correct
9 Correct 63 ms 2032 KB Output is correct
10 Correct 62 ms 2032 KB Output is correct
11 Correct 91 ms 2032 KB Output is correct
12 Correct 100 ms 2028 KB Output is correct
13 Correct 99 ms 2032 KB Output is correct
14 Correct 103 ms 2032 KB Output is correct
15 Correct 115 ms 2032 KB Output is correct
16 Correct 109 ms 2028 KB Output is correct
17 Correct 100 ms 2040 KB Output is correct
18 Correct 81 ms 2048 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Incorrect 5 ms 384 KB Output isn't correct
25 Halted 0 ms 0 KB -