oj.uz

Submission #153726

# Submission time Handle Problem Language Result Execution time Memory
153726 2019-09-15T14:17:57 Z tutis Cats or Dogs (JOI18_catdog) C++17
38 / 100
 3000 ms 12132 KB 
/*input
3
1 2 1
2 3 1
3 1 2
*/
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
int V[101010], C[101010], D[101010];
vector<int>adj[101010];
int pa[101010];
void dfs(int i, int p)
{
	auto it = find(adj[i].begin(), adj[i].end(), p);
	if (it != adj[i].end())
		adj[i].erase(it);
	pa[i] = p;
	for (int j : adj[i])
	{
		dfs(j, i);
	}
}
void initialize(int N, vector<int> A, vector<int> B)
{
	for (int i = 0; i < N - 1; i++)
	{
		adj[A[i]].push_back(B[i]);
		adj[B[i]].push_back(A[i]);
	}
	dfs(1, 1);
}
void recalc(int v)
{
	int C_ = C[v];
	int D_ = D[v];
	C[v] = D[v] = 0;
	for (int w : adj[v])
	{
		C[v] += min(C[w], D[w] + 1);
		D[v] += min(D[w], C[w] + 1);
	}
	if (V[v] == -1)
	{
		D[v] = 101010;
	}
	if (V[v] == 1)
	{
		C[v] = 101010;
	}
	if (v != 1 && (C_ != C[v] || D_ != D[v]))
		recalc(pa[v]);
}
int cat(int v)
{
	V[v] = -1;
	recalc(v);
	return min(C[1], D[1]);
}
int dog(int v)
{
	V[v] = 1;
	recalc(v);
	return min(C[1], D[1]);
}
int neighbor(int v)
{
	V[v] = 0;
	recalc(v);
	return min(C[1], D[1]);
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 4 ms 2680 KB Output is correct
12 Correct 4 ms 2680 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 4 ms 2680 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 4 ms 2680 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 4 ms 2680 KB Output is correct
12 Correct 4 ms 2680 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 4 ms 2680 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 4 ms 2680 KB Output is correct
17 Correct 5 ms 2812 KB Output is correct
18 Correct 5 ms 2808 KB Output is correct
19 Correct 5 ms 2808 KB Output is correct
20 Correct 4 ms 2680 KB Output is correct
21 Correct 5 ms 2680 KB Output is correct
22 Correct 5 ms 2808 KB Output is correct
23 Correct 5 ms 2808 KB Output is correct
24 Correct 5 ms 2808 KB Output is correct
25 Correct 5 ms 2680 KB Output is correct
26 Correct 4 ms 2680 KB Output is correct
27 Correct 4 ms 2808 KB Output is correct
28 Correct 4 ms 2808 KB Output is correct
29 Correct 6 ms 2808 KB Output is correct
30 Correct 5 ms 2680 KB Output is correct
31 Correct 5 ms 2808 KB Output is correct
32 Correct 5 ms 2680 KB Output is correct

Subtask #3
0 / 62.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 4 ms 2680 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 4 ms 2680 KB Output is correct
12 Correct 4 ms 2680 KB Output is correct
13 Correct 4 ms 2680 KB Output is correct
14 Correct 4 ms 2680 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 4 ms 2680 KB Output is correct
17 Correct 5 ms 2812 KB Output is correct
18 Correct 5 ms 2808 KB Output is correct
19 Correct 5 ms 2808 KB Output is correct
20 Correct 4 ms 2680 KB Output is correct
21 Correct 5 ms 2680 KB Output is correct
22 Correct 5 ms 2808 KB Output is correct
23 Correct 5 ms 2808 KB Output is correct
24 Correct 5 ms 2808 KB Output is correct
25 Correct 5 ms 2680 KB Output is correct
26 Correct 4 ms 2680 KB Output is correct
27 Correct 4 ms 2808 KB Output is correct
28 Correct 4 ms 2808 KB Output is correct
29 Correct 6 ms 2808 KB Output is correct
30 Correct 5 ms 2680 KB Output is correct
31 Correct 5 ms 2808 KB Output is correct
32 Correct 5 ms 2680 KB Output is correct
33 Correct 160 ms 7776 KB Output is correct
34 Correct 78 ms 7544 KB Output is correct
35 Correct 192 ms 6896 KB Output is correct
36 Correct 279 ms 11132 KB Output is correct
37 Correct 22 ms 4984 KB Output is correct
38 Correct 289 ms 11904 KB Output is correct
39 Correct 286 ms 12004 KB Output is correct
40 Correct 339 ms 12132 KB Output is correct
41 Correct 328 ms 12040 KB Output is correct
42 Correct 424 ms 11900 KB Output is correct
43 Correct 308 ms 11880 KB Output is correct
44 Correct 355 ms 12004 KB Output is correct
45 Correct 440 ms 11920 KB Output is correct
46 Correct 335 ms 12004 KB Output is correct
47 Correct 289 ms 11896 KB Output is correct
48 Execution timed out 3013 ms 9120 KB Time limit exceeded
49 Halted 0 ms 0 KB -