답안 #884511

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
884511 2023-12-07T14:28:56 Z 42kangaroo 참나무 (IOI23_beechtree) C++17
13 / 100
272 ms 190292 KB
//  D. Beech Tree

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

using namespace std;

using g_t = vector<vector<int>>;
using dVal = pair<map<int, int>, list<set<int>>>;

struct ValR {
	int d, n, co;
};

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<int>> se;
	se.push_back(set<int>());
	for (auto e: g[n]) {
		if (r.find(c[e]) != r.end()) po[n] = false;
		r[c[e]] = 1;
		ve[c[e]] = {};
		se.back().insert(c[e]);
	}
	for (auto e: g[n]) {
		auto [re, li] = dfs(e, g, po, c);
		if (!po[e]) {
			po[n] = false;
		}
		if (po[n]) {
			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);
			}
			auto itS = se.begin();
			for (auto & it : li) {
				while (itS->size() < it.size()) {
					for (auto cos: *itS) {
						if (it.erase(cos) == 0) {
							po[n] = false;
							break;
						}
					}
					itS++;
				}
				if (!it.empty()) {
					auto act = itS;
					itS = se.insert(itS, {});
					for (auto cos: it) {
						if (act->erase(cos) == 0) {
							po[n] = false;
							break;
						}
						itS->insert(cos);
					}
				}
			}
		}
	}
	if (!po[n]) return {};
	map<int, int> val;
	vector<ValR> si;
	for (auto &[co, vec]: ve) {
		si.push_back({r[co] - 1, 0, co});
		si.push_back({r[co], 0, co});
		for (auto [d, e]: vec) {
			val[e] = 0;
			if (d > r[co]) {
				po[n] = false;
				return {};
			} else if (d == r[co]) {
				si.back().n++;
				si[si.size() - 2].n++;
			} else if (d == r[co] - 1) {
				si[si.size() - 2].n++;
			}
		}
	}
	std::sort(si.begin(), si.end(), [](const ValR &l, const ValR &r) { return l.n > r.n; });
	int i = 1;
	list<set<int>> siO;
	int last = -1;
	for (auto v: si) {
		for (auto [d, e]: ve[v.co]) {
			if (d >= v.d) {
				if (val[e] != i - 1) {
					po[n] = false;
					return {};
				}
				val[e] = i;
			}
		}
		if (v.d == r[v.co] -1) {
			if (v.n > last) {
				siO.push_front({});
			}
			siO.front().insert(v.co);
			last = v.n;
		}
		i++;
	}
	auto itS = se.begin();
	for (auto & it : siO) {
		while (itS->size() < it.size()) {
			for (auto cos: *itS) {
				if (it.erase(cos) == 0) {
					po[n] = false;
					break;
				}
			}
			itS++;
		}
		if (!it.empty()) {
			auto act = itS;
			itS = se.insert(itS, {});
			for (auto cos: it) {
				if (act->erase(cos) == 0) {
					po[n] = false;
					break;
				}
				itS->insert(cos);
			}
		}
	}
	return {r, se};
}

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);
	}
	vector<bool> po(N, true);
	dfs(0, g, po, C);
	return {po.begin(), po.end()};
}

# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 600 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
15 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 203 ms 189760 KB Output is correct
8 Correct 203 ms 189776 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 0 ms 604 KB Output is correct
13 Correct 3 ms 2140 KB Output is correct
14 Correct 2 ms 2140 KB Output is correct
15 Correct 2 ms 2140 KB Output is correct
16 Correct 2 ms 2140 KB Output is correct
17 Correct 272 ms 189696 KB Output is correct
18 Correct 246 ms 190292 KB Output is correct
19 Correct 219 ms 189776 KB Output is correct
20 Correct 196 ms 189860 KB Output is correct
# 결과 실행 시간 메모리 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 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 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 1 ms 348 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 2 ms 348 KB Output is correct
15 Correct 175 ms 6480 KB Output is correct
16 Correct 123 ms 5304 KB Output is correct
17 Runtime error 31 ms 10068 KB Execution killed with signal 11
18 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 203 ms 189760 KB Output is correct
6 Correct 203 ms 189776 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 141 ms 23392 KB Output is correct
12 Correct 249 ms 12612 KB Output is correct
# 결과 실행 시간 메모리 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 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
18 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 600 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 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
11 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 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 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
18 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 600 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 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
11 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 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 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
18 Halted 0 ms 0 KB -