oj.uz

Submission #153744

# Submission time Handle Problem Language Result Execution time Memory
153744 2019-09-15T17:54:24 Z tutis Cats or Dogs (JOI18_catdog) C++17
38 / 100
 3000 ms 10900 KB 
/*input
3
1 2 1
2 3 1
3 1 2
*/
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
int V[101010], C[101010], D[101010];
int Sc[101010], Sd[101010];
vector<int>adj[101010];
int pa[101010];
void dfs(int i, int p)
{
	pa[i] = p;
	for (int j : adj[i])
	{
		if (j != p)
			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, 0);
}
int ans = 0;
void recalc(int v)
{
	int c = C[v];
	int d = D[v];
	Sc[pa[v]] -= C[v];
	Sd[pa[v]] -= D[v];
	C[v] = Sc[v];
	D[v] = Sd[v];
	if (V[v] == -1)
	{
		D[v] = C[v] + 1;
	}
	if (V[v] == 1)
	{
		C[v] = D[v] + 1;
	}
	C[v] = min(C[v], D[v] + 1);
	D[v] = min(D[v], C[v] + 1);
	Sc[pa[v]] += C[v];
	Sd[pa[v]] += D[v];
	if (v != 1 && (C[v] - D[v] != c - d))
		recalc(pa[v]);
	else if (v != 1)
	{
		ans += C[v] - c;
		Sc[pa[v]] -= C[v] - c;
		Sd[pa[v]] -= C[v] - c;
	}
}
int cat(int v)
{
	V[v] = -1;
	recalc(v);
	return ans + min(C[1], D[1]);
}
int dog(int v)
{
	V[v] = 1;
	recalc(v);
	return ans + min(C[1], D[1]);
}
int neighbor(int v)
{
	V[v] = 0;
	recalc(v);
	return ans + 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 5 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 5 ms 2680 KB Output is correct
14 Correct 4 ms 2680 KB Output is correct
15 Correct 5 ms 2808 KB Output is correct
16 Correct 5 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 5 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 5 ms 2680 KB Output is correct
14 Correct 4 ms 2680 KB Output is correct
15 Correct 5 ms 2808 KB Output is correct
16 Correct 5 ms 2680 KB Output is correct
17 Correct 5 ms 2808 KB Output is correct
18 Correct 5 ms 2808 KB Output is correct
19 Correct 5 ms 2808 KB Output is correct
20 Correct 5 ms 2680 KB Output is correct
21 Correct 5 ms 2680 KB Output is correct
22 Correct 5 ms 2680 KB Output is correct
23 Correct 5 ms 2808 KB Output is correct
24 Correct 5 ms 2808 KB Output is correct
25 Correct 6 ms 2680 KB Output is correct
26 Correct 5 ms 2808 KB Output is correct
27 Correct 5 ms 2808 KB Output is correct
28 Correct 5 ms 2872 KB Output is correct
29 Correct 6 ms 2812 KB Output is correct
30 Correct 4 ms 2680 KB Output is correct
31 Correct 5 ms 2808 KB Output is correct
32 Correct 5 ms 2780 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 5 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 5 ms 2680 KB Output is correct
14 Correct 4 ms 2680 KB Output is correct
15 Correct 5 ms 2808 KB Output is correct
16 Correct 5 ms 2680 KB Output is correct
17 Correct 5 ms 2808 KB Output is correct
18 Correct 5 ms 2808 KB Output is correct
19 Correct 5 ms 2808 KB Output is correct
20 Correct 5 ms 2680 KB Output is correct
21 Correct 5 ms 2680 KB Output is correct
22 Correct 5 ms 2680 KB Output is correct
23 Correct 5 ms 2808 KB Output is correct
24 Correct 5 ms 2808 KB Output is correct
25 Correct 6 ms 2680 KB Output is correct
26 Correct 5 ms 2808 KB Output is correct
27 Correct 5 ms 2808 KB Output is correct
28 Correct 5 ms 2872 KB Output is correct
29 Correct 6 ms 2812 KB Output is correct
30 Correct 4 ms 2680 KB Output is correct
31 Correct 5 ms 2808 KB Output is correct
32 Correct 5 ms 2780 KB Output is correct
33 Correct 67 ms 7072 KB Output is correct
34 Correct 51 ms 7160 KB Output is correct
35 Correct 59 ms 6128 KB Output is correct
36 Correct 106 ms 10044 KB Output is correct
37 Correct 22 ms 4984 KB Output is correct
38 Correct 123 ms 10728 KB Output is correct
39 Correct 124 ms 10704 KB Output is correct
40 Correct 116 ms 10724 KB Output is correct
41 Correct 114 ms 10724 KB Output is correct
42 Correct 113 ms 10704 KB Output is correct
43 Correct 116 ms 10724 KB Output is correct
44 Correct 119 ms 10776 KB Output is correct
45 Correct 121 ms 10900 KB Output is correct
46 Correct 121 ms 10728 KB Output is correct
47 Correct 112 ms 10812 KB Output is correct
48 Correct 64 ms 8156 KB Output is correct
49 Correct 74 ms 9248 KB Output is correct
50 Correct 24 ms 4344 KB Output is correct
51 Correct 32 ms 5340 KB Output is correct
52 Correct 17 ms 4092 KB Output is correct
53 Correct 93 ms 9596 KB Output is correct
54 Correct 46 ms 5936 KB Output is correct
55 Correct 97 ms 8560 KB Output is correct
56 Correct 64 ms 6688 KB Output is correct
57 Correct 129 ms 9452 KB Output is correct
58 Correct 25 ms 5292 KB Output is correct
59 Correct 31 ms 5240 KB Output is correct
60 Correct 68 ms 8572 KB Output is correct
61 Correct 74 ms 8800 KB Output is correct
62 Correct 51 ms 7376 KB Output is correct
63 Execution timed out 3023 ms 6984 KB Time limit exceeded
64 Halted 0 ms 0 KB -