oj.uz

Submission #884152

# Submission time Handle Problem Language Result Execution time Memory
884152 2023-12-06T16:13:22 Z 42kangaroo Beech Tree (IOI23_beechtree) C++17
22 / 100
 164 ms 127264 KB 
//  D. Beech Tree

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

using namespace std;

using g_t = vector<vector<int>>;
using dVal = map<int, int>;

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

dVal dfs(int n, g_t &g, vector<bool>& po, vector<int>& c) {
	dVal r;
	map<int, vector<pair<int,int>>> ve;
	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]) {
		dVal re = 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].push_back({d, e});
			}
		}
	}
	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++;
			} 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;
	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;
			}
		}
		i++;
	}
	return r;
}

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()};
}

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
0.0 / 9.0

# 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 0 ms 348 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 344 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 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
15 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# 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 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 156 ms 127264 KB Output is correct
8 Correct 147 ms 127056 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 344 KB Output is correct
13 Correct 2 ms 1628 KB Output is correct
14 Correct 2 ms 1628 KB Output is correct
15 Correct 3 ms 1880 KB Output is correct
16 Correct 2 ms 1628 KB Output is correct
17 Correct 161 ms 127264 KB Output is correct
18 Correct 163 ms 127056 KB Output is correct
19 Correct 160 ms 127260 KB Output is correct
20 Correct 144 ms 127260 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 0 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 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 2 ms 348 KB Output is correct
15 Correct 98 ms 6228 KB Output is correct
16 Correct 68 ms 5212 KB Output is correct
17 Correct 71 ms 5360 KB Output is correct
18 Correct 93 ms 6328 KB Output is correct

Subtask #4
8.0 / 8.0

# 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 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 156 ms 127264 KB Output is correct
6 Correct 147 ms 127056 KB Output is correct
7 Correct 1 ms 544 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 95 ms 18564 KB Output is correct
12 Correct 164 ms 11472 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 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 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 344 KB Output is correct
10 Correct 0 ms 344 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 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
18 Halted 0 ms 0 KB -

Subtask #6
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 344 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 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 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
11 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 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 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 344 KB Output is correct
10 Correct 0 ms 344 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 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
18 Halted 0 ms 0 KB -

Subtask #8
0.0 / 17.0

# 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 344 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 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 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
11 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 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 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 344 KB Output is correct
10 Correct 0 ms 344 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 Incorrect 0 ms 348 KB 2nd lines differ - on the 1st token, expected: '0', found: '1'
18 Halted 0 ms 0 KB -