oj.uz

Submission #886984

# Submission time Handle Problem Language Result Execution time Memory
886984 2023-12-13T11:33:06 Z 42kangaroo Beech Tree (IOI23_beechtree) C++17
31 / 100
 302 ms 162964 KB 
//  D. Beech Tree

#include<bits/stdc++.h>
#include "beechtree.h"

using namespace std;

using g_t = vector<vector<int>>;

struct dVal {
	map<int,int> de;
	list<set<pair<int,int>>> se;
	int seSi;
};
vector<int> de;
vector<int> de2;


dVal dfs(int n, g_t &g, vector<bool> &po, vector<int> &c) {
	map<int, int> r;
	map<int, vector<pair<int, int>>> ve;
	list<set<pair<int, int>>> se;
	map<int, map<int,int>>  OmiR;
	int seSi = 0;
	for (auto e: g[n]) {
		if (r.find(c[e]) != r.end()) po[n] = false;
		r[c[e]] = 1;
		ve[c[e]] = {};
	}
	for (auto e: g[n]) {
		auto [re, li, ssi] = dfs(e, g, po, c);
		if (!po[e]) {
			po[n] = false;
		}
		if (!po[n]) continue;
		for (auto &[co, d]: re) {
			if (r.find(co) == r.end()) {
				po[n] = false;
				break;
			}
			if (co == c[e]) r[c[e]] = d + 1;
			ve[co].emplace_back(d, e);
		}
		if (!po[n]) continue;
		if (ssi > seSi) {
			swap(se, li);
			swap(ssi, seSi);
		}
		auto itS = se.begin();
		for (auto &it: li) {
			while (itS != se.end() && itS->size() <= it.size()) {
				for (auto cos: *itS) {
					if (it.erase(cos) == 0) {
						po[n] = false;
						break;
					}
				}
				if (!po[n]) break;
				itS++;
			}
			if (!po[n]) break;
			if (!it.empty()) {
				auto act = se.insert(itS, set<pair<int, int>>());
				for (auto cos: it) {
					if (itS->erase(cos) == 0) {
						po[n] = false;
						break;
					}
					act->insert(cos);
				}
			}
			if (itS->empty()) itS++;
			if (!po[n]) break;
		}
	}
	if (!po[n]) return {};
	se.emplace_back();
	for (auto &[co, vec]: ve) {
		bool dD = true;
		for (auto [d, e]: vec) {
			if (d > r[co]) {
				po[n] = false;
				return {};
			} else if (d == r[co]) {
				dD = false;
				break;
			}
		}
		if (dD) {
			se.back().insert({co, r[co]});
			seSi++;
		}
	}
	if (se.back().empty()) se.pop_back();
	de[n] = seSi;
	return {std::move(r), std::move(se), seSi};
}

pair<array<map<int,map<int,int>>,2>, int> sdfs(int n, g_t& g, vector<bool>& po, vector<int>& c, vector<bool>&vis) {
	if (vis[n]) return {};
	vis[n] = true;
	array<map<int,map<int,int>>,2> res;
	int reSi = 0;
	for (auto e: g[n]) {
		auto [re, si] = sdfs(e, g, po, c,vis);
		if (!po[e]) po[n] = false;
		if (!po[n]) continue;
		re[0][c[e]][de2[e]] = re[1][c[e]][de2[e]] = de2[n];
		si++;
		if (si > reSi) {
			swap(re, res);
			swap(reSi, si);
		}
		for (auto &[co, ma]: re[1]) {
			for (auto &[don, par]: ma) {
				if (res[0][co].upper_bound(don) != res[0][co].end() && res[0][co].upper_bound(don)->second < par) {
					po[n] = false;
					break;
				}
				if (res[1][co].find(don) == res[1][co].end()) reSi++;
				res[1][co][don] = min(res[1][co][don], par);
			}
			if (!po[n]) break;
		}
		if (!po[n]) break;
		for (auto &[co, ma]: re[0]) {
			for (auto &[don, par]: ma) {
				res[0][co][don] = max(res[0][co][don], par);
			}
			if (!po[n]) break;
		}
	}
	return {std::move(res), reSi};
}

void bfs(int n, g_t& g, vector<bool>& vi) {
	int d= 0;
	int pre = -1;
	int preD = de[n];
	priority_queue<tuple<int,int,int>> pq;
	pq.push({de[n], 1, n});
	while (!pq.empty()) {
		auto [dep, pr, t] = pq.top();
		pq.pop();
		if (vi[t]) continue;
		vi[t] = true;
		pr = -pr;
		if (pre != pr || preD != de[t]) d++;
		de2[t] = d;
		pre = pr;
		preD = de[t];
		for (auto e: g[t]) {
			pq.push({de[e], -d, e});
		}
	}
}

vector<int> beechtree(int N, int M, vector<int> P, vector<int> C) {
	g_t g(N);
	for (int i = 1; i < N; ++i) {
		g[P[i]].push_back(i);
	}
	de = vector<int>(N);
	de2 = vector<int>(N, -1);
	vector<bool> po(N, true);
	dfs(0, g, po, C);
	vector<bool> vis(N, false);
	for (int i = 0; i < N; ++i) {
		if (po[i]) {
			bfs(i, g, vis);
		}
	}
	std::fill(vis.begin(), vis.end(),false);
	for (int i = 0; i < N; ++i) {
		if (po[i]) {
			sdfs(i, g, po, C, vis);
		}
	}
	return {po.begin(), po.end()};
}

#ifndef EVAL
signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	int n, m; cin >> n >> m;
	vector<int> p(n), c(n);
	for (auto &e: p) {
		cin >> e;
	}
	for (auto &e: c) {
		cin >> e;
	}
	auto res = beechtree(n, m, p, c);
	for (auto e: res) {
		cout << e << " ";
	}
	cout << "\n";
}
#endif

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 432 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 420 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 444 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 548 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 175 ms 162964 KB Output is correct
8 Correct 171 ms 162540 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 4 ms 1884 KB Output is correct
14 Correct 3 ms 1980 KB Output is correct
15 Correct 2 ms 2140 KB Output is correct
16 Correct 2 ms 1884 KB Output is correct
17 Correct 302 ms 162132 KB Output is correct
18 Correct 258 ms 162380 KB Output is correct
19 Correct 190 ms 162504 KB Output is correct
20 Correct 173 ms 162604 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 436 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 436 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 2 ms 440 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 2 ms 348 KB Output is correct
15 Correct 163 ms 8212 KB Output is correct
16 Correct 135 ms 6980 KB Output is correct
17 Correct 134 ms 7164 KB Output is correct
18 Correct 254 ms 13072 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 175 ms 162964 KB Output is correct
6 Correct 171 ms 162540 KB Output is correct
7 Correct 1 ms 456 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 184 ms 25832 KB Output is correct
12 Correct 260 ms 16820 KB Output is correct

Subtask #5
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 432 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 420 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 444 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 548 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 600 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 1 ms 436 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 436 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 456 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Incorrect 1 ms 344 KB 2nd lines differ - on the 1st token, expected: '1', found: '0'
55 Halted 0 ms 0 KB -

Subtask #6
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 432 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 420 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 444 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 548 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 3 ms 1880 KB Output is correct
26 Correct 2 ms 1884 KB Output is correct
27 Correct 2 ms 1884 KB Output is correct
28 Correct 2 ms 1884 KB Output is correct
29 Correct 2 ms 1880 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Incorrect 3 ms 604 KB 2nd lines differ - on the 1st token, expected: '1', found: '0'
32 Halted 0 ms 0 KB -

Subtask #7
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 432 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 420 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 444 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 548 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 600 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 4 ms 1884 KB Output is correct
43 Correct 3 ms 1980 KB Output is correct
44 Correct 2 ms 2140 KB Output is correct
45 Correct 2 ms 1884 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 1 ms 436 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 436 KB Output is correct
53 Correct 0 ms 344 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 2 ms 348 KB Output is correct
57 Correct 2 ms 440 KB Output is correct
58 Correct 2 ms 348 KB Output is correct
59 Correct 2 ms 348 KB Output is correct
60 Correct 1 ms 456 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 2 ms 604 KB Output is correct
63 Correct 2 ms 348 KB Output is correct
64 Incorrect 1 ms 344 KB 2nd lines differ - on the 1st token, expected: '1', found: '0'
65 Halted 0 ms 0 KB -

Subtask #8
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 432 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 420 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 444 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 548 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 3 ms 1880 KB Output is correct
26 Correct 2 ms 1884 KB Output is correct
27 Correct 2 ms 1884 KB Output is correct
28 Correct 2 ms 1884 KB Output is correct
29 Correct 2 ms 1880 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Incorrect 3 ms 604 KB 2nd lines differ - on the 1st token, expected: '1', found: '0'
32 Halted 0 ms 0 KB -

Subtask #9
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 432 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 420 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 444 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 548 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 175 ms 162964 KB Output is correct
39 Correct 171 ms 162540 KB Output is correct
40 Correct 1 ms 600 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 4 ms 1884 KB Output is correct
45 Correct 3 ms 1980 KB Output is correct
46 Correct 2 ms 2140 KB Output is correct
47 Correct 2 ms 1884 KB Output is correct
48 Correct 302 ms 162132 KB Output is correct
49 Correct 258 ms 162380 KB Output is correct
50 Correct 190 ms 162504 KB Output is correct
51 Correct 173 ms 162604 KB Output is correct
52 Correct 1 ms 344 KB Output is correct
53 Correct 1 ms 436 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 436 KB Output is correct
59 Correct 0 ms 344 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 2 ms 348 KB Output is correct
63 Correct 2 ms 440 KB Output is correct
64 Correct 2 ms 348 KB Output is correct
65 Correct 2 ms 348 KB Output is correct
66 Correct 163 ms 8212 KB Output is correct
67 Correct 135 ms 6980 KB Output is correct
68 Correct 134 ms 7164 KB Output is correct
69 Correct 254 ms 13072 KB Output is correct
70 Correct 1 ms 456 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 2 ms 604 KB Output is correct
73 Correct 2 ms 348 KB Output is correct
74 Correct 184 ms 25832 KB Output is correct
75 Correct 260 ms 16820 KB Output is correct
76 Incorrect 1 ms 344 KB 2nd lines differ - on the 1st token, expected: '1', found: '0'
77 Halted 0 ms 0 KB -