oj.uz

Submission #219361

# Submission time Handle Problem Language Result Execution time Memory
219361 2020-04-05T07:41:46 Z maruii Treatment Project (JOI20_treatment) C++14
4 / 100
 177 ms 14056 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)) {
			for (auto x : b.S) {
				auto it = a.S.lower_bound(pil(N - (x.ff - t) + t, 0));
				if (it != a.S.end()) ans = min(ans, it->ss + x.ss);
			}
		}
	}
	if (ans == INF) ans = -1;
	cout << ans;
	return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 177 ms 14056 KB Output is correct
2 Correct 123 ms 7912 KB Output is correct
3 Correct 134 ms 7712 KB Output is correct
4 Correct 125 ms 7784 KB Output is correct
5 Correct 88 ms 2032 KB Output is correct
6 Correct 70 ms 2032 KB Output is correct
7 Correct 95 ms 2792 KB Output is correct
8 Correct 69 ms 2036 KB Output is correct
9 Correct 71 ms 2028 KB Output is correct
10 Correct 72 ms 2040 KB Output is correct
11 Correct 88 ms 2040 KB Output is correct
12 Correct 92 ms 2036 KB Output is correct
13 Correct 99 ms 2028 KB Output is correct
14 Correct 112 ms 2032 KB Output is correct
15 Correct 114 ms 2032 KB Output is correct
16 Correct 132 ms 2072 KB Output is correct
17 Correct 99 ms 2040 KB Output is correct
18 Correct 84 ms 2032 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 4 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 4 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 177 ms 14056 KB Output is correct
2 Correct 123 ms 7912 KB Output is correct
3 Correct 134 ms 7712 KB Output is correct
4 Correct 125 ms 7784 KB Output is correct
5 Correct 88 ms 2032 KB Output is correct
6 Correct 70 ms 2032 KB Output is correct
7 Correct 95 ms 2792 KB Output is correct
8 Correct 69 ms 2036 KB Output is correct
9 Correct 71 ms 2028 KB Output is correct
10 Correct 72 ms 2040 KB Output is correct
11 Correct 88 ms 2040 KB Output is correct
12 Correct 92 ms 2036 KB Output is correct
13 Correct 99 ms 2028 KB Output is correct
14 Correct 112 ms 2032 KB Output is correct
15 Correct 114 ms 2032 KB Output is correct
16 Correct 132 ms 2072 KB Output is correct
17 Correct 99 ms 2040 KB Output is correct
18 Correct 84 ms 2032 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 4 ms 384 KB Output isn't correct
25 Halted 0 ms 0 KB -