oj.uz

답안 #153743

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
153743 2019-09-15T17:49:32 Z tutis Cats or Dogs (JOI18_catdog) C++17
38 / 100
 3000 ms 10912 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];
int Sc[101010], Sd[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, 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

# 결과 실행 시간 메모리 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 2808 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

# 결과 실행 시간 메모리 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 2808 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 2808 KB Output is correct
18 Correct 6 ms 2780 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 2808 KB Output is correct
22 Correct 4 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 2812 KB Output is correct
26 Correct 4 ms 2680 KB Output is correct
27 Correct 4 ms 2680 KB Output is correct
28 Correct 4 ms 2808 KB Output is correct
29 Correct 24 ms 2808 KB Output is correct
30 Correct 4 ms 2680 KB Output is correct
31 Correct 5 ms 2808 KB Output is correct
32 Correct 4 ms 2680 KB Output is correct

Subtask #3
0 / 62.0

# 결과 실행 시간 메모리 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 2808 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 2808 KB Output is correct
18 Correct 6 ms 2780 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 2808 KB Output is correct
22 Correct 4 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 2812 KB Output is correct
26 Correct 4 ms 2680 KB Output is correct
27 Correct 4 ms 2680 KB Output is correct
28 Correct 4 ms 2808 KB Output is correct
29 Correct 24 ms 2808 KB Output is correct
30 Correct 4 ms 2680 KB Output is correct
31 Correct 5 ms 2808 KB Output is correct
32 Correct 4 ms 2680 KB Output is correct
33 Correct 65 ms 7152 KB Output is correct
34 Correct 51 ms 7032 KB Output is correct
35 Correct 59 ms 6128 KB Output is correct
36 Correct 103 ms 10044 KB Output is correct
37 Correct 21 ms 4856 KB Output is correct
38 Correct 118 ms 10740 KB Output is correct
39 Correct 115 ms 10728 KB Output is correct
40 Correct 111 ms 10728 KB Output is correct
41 Correct 113 ms 10728 KB Output is correct
42 Correct 123 ms 10876 KB Output is correct
43 Correct 114 ms 10912 KB Output is correct
44 Correct 115 ms 10824 KB Output is correct
45 Correct 112 ms 10852 KB Output is correct
46 Correct 115 ms 10792 KB Output is correct
47 Correct 125 ms 10724 KB Output is correct
48 Correct 68 ms 8132 KB Output is correct
49 Correct 80 ms 9324 KB Output is correct
50 Correct 24 ms 4344 KB Output is correct
51 Correct 33 ms 5344 KB Output is correct
52 Correct 17 ms 4160 KB Output is correct
53 Correct 85 ms 9584 KB Output is correct
54 Correct 45 ms 5936 KB Output is correct
55 Correct 90 ms 8532 KB Output is correct
56 Correct 65 ms 6560 KB Output is correct
57 Correct 131 ms 9528 KB Output is correct
58 Correct 27 ms 5292 KB Output is correct
59 Correct 34 ms 5240 KB Output is correct
60 Correct 76 ms 8568 KB Output is correct
61 Correct 76 ms 8804 KB Output is correct
62 Correct 51 ms 7376 KB Output is correct
63 Execution timed out 3018 ms 7624 KB Time limit exceeded
64 Halted 0 ms 0 KB -