#include "catdog.h"
#include <bits/stdc++.h>
using namespace std;
const int N = (int) 1e5 + 7;
const int INF = (int) 1e7 + 7;
int n;
int par[N];
int dp1[N];
int dp2[N];
int cost1[N];
int cost2[N];
vector<int> g[N];
void build(int a, int p = 0) {
par[a] = p;
vector<int> kids;
for (auto &b : g[a]) {
if (b != p) {
kids.push_back(b);
build(b, a);
}
}
g[a] = kids;
}
void dfs(int a) {
dp1[a] = 0;
dp2[a] = 0;
for (auto &b : g[a]) {
dfs(b);
dp1[a] += min(dp1[b], 1 + dp2[b]);
dp2[a] += min(dp2[b], 1 + dp1[b]);
}
dp1[a] += cost1[a];
dp2[a] += cost2[a];
}
void initialize(int nn, std::vector<int> edgesA, std::vector<int> edgesB) {
n = nn;
for (int i = 0; i < n - 1; i++) {
int a = edgesA[i];
int b = edgesB[i];
g[a].push_back(b);
g[b].push_back(a);
}
build(1);
}
void changerec(int a, int nw1, int nw2) {
if (!a) {
return;
}
int p = par[a];
changerec(p, dp1[p] - min(dp1[a], 1 + dp2[a]) + min(nw1, 1 + nw2), dp2[p] - min(dp2[a], 1 + dp1[a]) + min(nw2, 1 + nw1));
dp1[a] = nw1;
dp2[a] = nw2;
}
void change(int v, int c1, int c2) {
changerec(v, dp1[v] - cost1[v] + c1, dp2[v] - cost2[v] + c2);
cost1[v] = c1;
cost2[v] = c2;
}
int cat(int v) {
change(v, INF, 0);
return min(dp1[1], dp2[1]);
}
int dog(int v) {
change(v, 0, INF);
return min(dp1[1], dp2[1]);
}
int neighbor(int v) {
change(v, 0, 0);
return min(dp1[1], dp2[1]);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
1 ms |
2636 KB |
Output is correct |
3 |
Correct |
1 ms |
2636 KB |
Output is correct |
4 |
Correct |
2 ms |
2636 KB |
Output is correct |
5 |
Correct |
2 ms |
2636 KB |
Output is correct |
6 |
Correct |
2 ms |
2636 KB |
Output is correct |
7 |
Correct |
3 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2636 KB |
Output is correct |
9 |
Correct |
2 ms |
2636 KB |
Output is correct |
10 |
Correct |
1 ms |
2636 KB |
Output is correct |
11 |
Correct |
1 ms |
2636 KB |
Output is correct |
12 |
Correct |
2 ms |
2636 KB |
Output is correct |
13 |
Correct |
2 ms |
2636 KB |
Output is correct |
14 |
Correct |
1 ms |
2636 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
1 ms |
2636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
1 ms |
2636 KB |
Output is correct |
3 |
Correct |
1 ms |
2636 KB |
Output is correct |
4 |
Correct |
2 ms |
2636 KB |
Output is correct |
5 |
Correct |
2 ms |
2636 KB |
Output is correct |
6 |
Correct |
2 ms |
2636 KB |
Output is correct |
7 |
Correct |
3 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2636 KB |
Output is correct |
9 |
Correct |
2 ms |
2636 KB |
Output is correct |
10 |
Correct |
1 ms |
2636 KB |
Output is correct |
11 |
Correct |
1 ms |
2636 KB |
Output is correct |
12 |
Correct |
2 ms |
2636 KB |
Output is correct |
13 |
Correct |
2 ms |
2636 KB |
Output is correct |
14 |
Correct |
1 ms |
2636 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
1 ms |
2636 KB |
Output is correct |
17 |
Correct |
2 ms |
2656 KB |
Output is correct |
18 |
Correct |
2 ms |
2636 KB |
Output is correct |
19 |
Correct |
2 ms |
2636 KB |
Output is correct |
20 |
Correct |
2 ms |
2636 KB |
Output is correct |
21 |
Correct |
2 ms |
2636 KB |
Output is correct |
22 |
Correct |
2 ms |
2636 KB |
Output is correct |
23 |
Correct |
2 ms |
2636 KB |
Output is correct |
24 |
Correct |
2 ms |
2636 KB |
Output is correct |
25 |
Correct |
2 ms |
2636 KB |
Output is correct |
26 |
Correct |
2 ms |
2636 KB |
Output is correct |
27 |
Correct |
2 ms |
2636 KB |
Output is correct |
28 |
Correct |
2 ms |
2764 KB |
Output is correct |
29 |
Correct |
4 ms |
2764 KB |
Output is correct |
30 |
Correct |
2 ms |
2636 KB |
Output is correct |
31 |
Correct |
2 ms |
2716 KB |
Output is correct |
32 |
Correct |
2 ms |
2636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
1 ms |
2636 KB |
Output is correct |
3 |
Correct |
1 ms |
2636 KB |
Output is correct |
4 |
Correct |
2 ms |
2636 KB |
Output is correct |
5 |
Correct |
2 ms |
2636 KB |
Output is correct |
6 |
Correct |
2 ms |
2636 KB |
Output is correct |
7 |
Correct |
3 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2636 KB |
Output is correct |
9 |
Correct |
2 ms |
2636 KB |
Output is correct |
10 |
Correct |
1 ms |
2636 KB |
Output is correct |
11 |
Correct |
1 ms |
2636 KB |
Output is correct |
12 |
Correct |
2 ms |
2636 KB |
Output is correct |
13 |
Correct |
2 ms |
2636 KB |
Output is correct |
14 |
Correct |
1 ms |
2636 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
1 ms |
2636 KB |
Output is correct |
17 |
Correct |
2 ms |
2656 KB |
Output is correct |
18 |
Correct |
2 ms |
2636 KB |
Output is correct |
19 |
Correct |
2 ms |
2636 KB |
Output is correct |
20 |
Correct |
2 ms |
2636 KB |
Output is correct |
21 |
Correct |
2 ms |
2636 KB |
Output is correct |
22 |
Correct |
2 ms |
2636 KB |
Output is correct |
23 |
Correct |
2 ms |
2636 KB |
Output is correct |
24 |
Correct |
2 ms |
2636 KB |
Output is correct |
25 |
Correct |
2 ms |
2636 KB |
Output is correct |
26 |
Correct |
2 ms |
2636 KB |
Output is correct |
27 |
Correct |
2 ms |
2636 KB |
Output is correct |
28 |
Correct |
2 ms |
2764 KB |
Output is correct |
29 |
Correct |
4 ms |
2764 KB |
Output is correct |
30 |
Correct |
2 ms |
2636 KB |
Output is correct |
31 |
Correct |
2 ms |
2716 KB |
Output is correct |
32 |
Correct |
2 ms |
2636 KB |
Output is correct |
33 |
Correct |
116 ms |
6776 KB |
Output is correct |
34 |
Correct |
68 ms |
7604 KB |
Output is correct |
35 |
Correct |
167 ms |
7000 KB |
Output is correct |
36 |
Correct |
201 ms |
11364 KB |
Output is correct |
37 |
Correct |
15 ms |
5008 KB |
Output is correct |
38 |
Correct |
236 ms |
12192 KB |
Output is correct |
39 |
Correct |
243 ms |
12212 KB |
Output is correct |
40 |
Correct |
279 ms |
12212 KB |
Output is correct |
41 |
Correct |
275 ms |
12232 KB |
Output is correct |
42 |
Correct |
299 ms |
12212 KB |
Output is correct |
43 |
Correct |
271 ms |
12200 KB |
Output is correct |
44 |
Correct |
267 ms |
12216 KB |
Output is correct |
45 |
Correct |
429 ms |
12224 KB |
Output is correct |
46 |
Correct |
253 ms |
12236 KB |
Output is correct |
47 |
Correct |
215 ms |
12216 KB |
Output is correct |
48 |
Correct |
41 ms |
9624 KB |
Output is correct |
49 |
Correct |
47 ms |
11108 KB |
Output is correct |
50 |
Correct |
17 ms |
4888 KB |
Output is correct |
51 |
Correct |
21 ms |
6068 KB |
Output is correct |
52 |
Correct |
13 ms |
4492 KB |
Output is correct |
53 |
Correct |
110 ms |
10436 KB |
Output is correct |
54 |
Correct |
69 ms |
6388 KB |
Output is correct |
55 |
Correct |
175 ms |
9800 KB |
Output is correct |
56 |
Correct |
107 ms |
7280 KB |
Output is correct |
57 |
Correct |
179 ms |
10580 KB |
Output is correct |
58 |
Correct |
21 ms |
5988 KB |
Output is correct |
59 |
Correct |
24 ms |
5944 KB |
Output is correct |
60 |
Correct |
45 ms |
10252 KB |
Output is correct |
61 |
Correct |
49 ms |
10624 KB |
Output is correct |
62 |
Correct |
38 ms |
8748 KB |
Output is correct |
63 |
Execution timed out |
3011 ms |
10872 KB |
Time limit exceeded |
64 |
Halted |
0 ms |
0 KB |
- |