#include <bits/stdc++.h>
using namespace std;
const int MX = 1e6;
const int INF = 2e9+1;
int fans = 0;
int nodes[MX], people[MX], child[MX];
vector<vector<int>> adj(MX);
void dfs(int parent, int node) {
int tmp = 0;
for (auto& u: adj[node]) {
if (u == parent) continue;
tmp += nodes[u];
dfs(node, u);
tmp += child[u];
child[node] += tmp;
people[node] = max(people[node], child[u] + nodes[u]);
}
people[node] = max(people[node], fans - tmp - nodes[node]);
}
int LocateCentre(int N, int P[], int S[], int D[]) {
for (int i = 0; i < N; ++i) {
fans += (nodes[i] = P[i]);
if (i < N-1) {
adj[S[i]].push_back(D[i]);
adj[D[i]].push_back(S[i]);
}
}
dfs(-1,0);
int ans = 0, minC = INF;;
for (int i = 0; i < N; ++i) {
if (minC > people[i]) {
ans = i;
minC = people[i];
}
}
return ans;
}
//int main() {
//ios_base::sync_with_stdio(false); cin.tie(nullptr);
//int N = 5, P[] = {10,10,10,20,20}, S[] = {0,1,2,3}, D[] = {2,2,3,4};
//cout << LocateCentre(N,P,S,D) << "\n";
//}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
23788 KB |
Output is correct |
2 |
Correct |
15 ms |
23788 KB |
Output is correct |
3 |
Correct |
15 ms |
23788 KB |
Output is correct |
4 |
Correct |
15 ms |
23788 KB |
Output is correct |
5 |
Correct |
17 ms |
23788 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
15 ms |
23788 KB |
Output is correct |
8 |
Correct |
15 ms |
23788 KB |
Output is correct |
9 |
Correct |
16 ms |
23788 KB |
Output is correct |
10 |
Correct |
18 ms |
23788 KB |
Output is correct |
11 |
Correct |
18 ms |
23788 KB |
Output is correct |
12 |
Correct |
15 ms |
23788 KB |
Output is correct |
13 |
Correct |
16 ms |
23788 KB |
Output is correct |
14 |
Correct |
16 ms |
23788 KB |
Output is correct |
15 |
Correct |
15 ms |
23788 KB |
Output is correct |
16 |
Correct |
15 ms |
23788 KB |
Output is correct |
17 |
Correct |
16 ms |
23788 KB |
Output is correct |
18 |
Correct |
15 ms |
23788 KB |
Output is correct |
19 |
Correct |
16 ms |
23788 KB |
Output is correct |
20 |
Correct |
16 ms |
23916 KB |
Output is correct |
21 |
Correct |
15 ms |
23788 KB |
Output is correct |
22 |
Correct |
15 ms |
23916 KB |
Output is correct |
23 |
Correct |
17 ms |
23788 KB |
Output is correct |
24 |
Correct |
15 ms |
23916 KB |
Output is correct |
25 |
Correct |
17 ms |
23916 KB |
Output is correct |
26 |
Correct |
15 ms |
23916 KB |
Output is correct |
27 |
Correct |
17 ms |
23916 KB |
Output is correct |
28 |
Correct |
15 ms |
23916 KB |
Output is correct |
29 |
Correct |
18 ms |
23916 KB |
Output is correct |
30 |
Correct |
16 ms |
23916 KB |
Output is correct |
31 |
Correct |
15 ms |
23916 KB |
Output is correct |
32 |
Correct |
15 ms |
23916 KB |
Output is correct |
33 |
Correct |
16 ms |
23916 KB |
Output is correct |
34 |
Correct |
15 ms |
23788 KB |
Output is correct |
35 |
Correct |
16 ms |
23916 KB |
Output is correct |
36 |
Correct |
18 ms |
23916 KB |
Output is correct |
37 |
Correct |
16 ms |
23916 KB |
Output is correct |
38 |
Correct |
17 ms |
23916 KB |
Output is correct |
39 |
Correct |
16 ms |
23916 KB |
Output is correct |
40 |
Correct |
15 ms |
23916 KB |
Output is correct |
41 |
Correct |
16 ms |
23916 KB |
Output is correct |
42 |
Correct |
16 ms |
24044 KB |
Output is correct |
43 |
Correct |
16 ms |
23788 KB |
Output is correct |
44 |
Correct |
15 ms |
23788 KB |
Output is correct |
45 |
Correct |
15 ms |
23788 KB |
Output is correct |
46 |
Correct |
15 ms |
23788 KB |
Output is correct |
47 |
Correct |
16 ms |
23788 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
23788 KB |
Output is correct |
2 |
Correct |
15 ms |
23788 KB |
Output is correct |
3 |
Correct |
15 ms |
23788 KB |
Output is correct |
4 |
Correct |
15 ms |
23788 KB |
Output is correct |
5 |
Correct |
17 ms |
23788 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
15 ms |
23788 KB |
Output is correct |
8 |
Correct |
15 ms |
23788 KB |
Output is correct |
9 |
Correct |
16 ms |
23788 KB |
Output is correct |
10 |
Correct |
18 ms |
23788 KB |
Output is correct |
11 |
Correct |
18 ms |
23788 KB |
Output is correct |
12 |
Correct |
15 ms |
23788 KB |
Output is correct |
13 |
Correct |
16 ms |
23788 KB |
Output is correct |
14 |
Correct |
16 ms |
23788 KB |
Output is correct |
15 |
Correct |
15 ms |
23788 KB |
Output is correct |
16 |
Correct |
15 ms |
23788 KB |
Output is correct |
17 |
Correct |
16 ms |
23788 KB |
Output is correct |
18 |
Correct |
15 ms |
23788 KB |
Output is correct |
19 |
Correct |
16 ms |
23788 KB |
Output is correct |
20 |
Correct |
16 ms |
23916 KB |
Output is correct |
21 |
Correct |
15 ms |
23788 KB |
Output is correct |
22 |
Correct |
15 ms |
23916 KB |
Output is correct |
23 |
Correct |
17 ms |
23788 KB |
Output is correct |
24 |
Correct |
15 ms |
23916 KB |
Output is correct |
25 |
Correct |
17 ms |
23916 KB |
Output is correct |
26 |
Correct |
15 ms |
23916 KB |
Output is correct |
27 |
Correct |
17 ms |
23916 KB |
Output is correct |
28 |
Correct |
15 ms |
23916 KB |
Output is correct |
29 |
Correct |
18 ms |
23916 KB |
Output is correct |
30 |
Correct |
16 ms |
23916 KB |
Output is correct |
31 |
Correct |
15 ms |
23916 KB |
Output is correct |
32 |
Correct |
15 ms |
23916 KB |
Output is correct |
33 |
Correct |
16 ms |
23916 KB |
Output is correct |
34 |
Correct |
15 ms |
23788 KB |
Output is correct |
35 |
Correct |
16 ms |
23916 KB |
Output is correct |
36 |
Correct |
18 ms |
23916 KB |
Output is correct |
37 |
Correct |
16 ms |
23916 KB |
Output is correct |
38 |
Correct |
17 ms |
23916 KB |
Output is correct |
39 |
Correct |
16 ms |
23916 KB |
Output is correct |
40 |
Correct |
15 ms |
23916 KB |
Output is correct |
41 |
Correct |
16 ms |
23916 KB |
Output is correct |
42 |
Correct |
16 ms |
24044 KB |
Output is correct |
43 |
Correct |
16 ms |
23788 KB |
Output is correct |
44 |
Correct |
15 ms |
23788 KB |
Output is correct |
45 |
Correct |
15 ms |
23788 KB |
Output is correct |
46 |
Correct |
15 ms |
23788 KB |
Output is correct |
47 |
Correct |
16 ms |
23788 KB |
Output is correct |
48 |
Correct |
15 ms |
23788 KB |
Output is correct |
49 |
Correct |
15 ms |
23788 KB |
Output is correct |
50 |
Correct |
18 ms |
23916 KB |
Output is correct |
51 |
Correct |
16 ms |
23788 KB |
Output is correct |
52 |
Correct |
16 ms |
23788 KB |
Output is correct |
53 |
Correct |
15 ms |
23788 KB |
Output is correct |
54 |
Correct |
15 ms |
23788 KB |
Output is correct |
55 |
Correct |
16 ms |
23788 KB |
Output is correct |
56 |
Correct |
16 ms |
23788 KB |
Output is correct |
57 |
Correct |
16 ms |
23788 KB |
Output is correct |
58 |
Correct |
17 ms |
23916 KB |
Output is correct |
59 |
Correct |
15 ms |
23788 KB |
Output is correct |
60 |
Correct |
15 ms |
23788 KB |
Output is correct |
61 |
Correct |
16 ms |
23788 KB |
Output is correct |
62 |
Correct |
15 ms |
23788 KB |
Output is correct |
63 |
Correct |
16 ms |
23788 KB |
Output is correct |
64 |
Correct |
15 ms |
23788 KB |
Output is correct |
65 |
Correct |
16 ms |
23788 KB |
Output is correct |
66 |
Correct |
16 ms |
23788 KB |
Output is correct |
67 |
Correct |
15 ms |
23788 KB |
Output is correct |
68 |
Correct |
39 ms |
31468 KB |
Output is correct |
69 |
Correct |
64 ms |
38764 KB |
Output is correct |
70 |
Correct |
17 ms |
23788 KB |
Output is correct |
71 |
Correct |
92 ms |
46464 KB |
Output is correct |
72 |
Correct |
118 ms |
53868 KB |
Output is correct |
73 |
Correct |
137 ms |
61548 KB |
Output is correct |
74 |
Correct |
161 ms |
69100 KB |
Output is correct |
75 |
Correct |
184 ms |
76652 KB |
Output is correct |
76 |
Correct |
222 ms |
84204 KB |
Output is correct |
77 |
Correct |
245 ms |
91764 KB |
Output is correct |
78 |
Correct |
270 ms |
99436 KB |
Output is correct |
79 |
Correct |
300 ms |
106860 KB |
Output is correct |
80 |
Correct |
319 ms |
114532 KB |
Output is correct |
81 |
Correct |
16 ms |
23788 KB |
Output is correct |
82 |
Correct |
347 ms |
121964 KB |
Output is correct |
83 |
Correct |
366 ms |
129644 KB |
Output is correct |
84 |
Correct |
387 ms |
137068 KB |
Output is correct |
85 |
Correct |
420 ms |
144620 KB |
Output is correct |
86 |
Correct |
446 ms |
152172 KB |
Output is correct |
87 |
Correct |
493 ms |
159140 KB |
Output is correct |
88 |
Correct |
482 ms |
154476 KB |
Output is correct |
89 |
Correct |
515 ms |
160492 KB |
Output is correct |
90 |
Correct |
17 ms |
23936 KB |
Output is correct |
91 |
Correct |
15 ms |
23788 KB |
Output is correct |
92 |
Correct |
15 ms |
23788 KB |
Output is correct |
93 |
Correct |
16 ms |
23788 KB |
Output is correct |
94 |
Correct |
16 ms |
23788 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
23788 KB |
Output is correct |
2 |
Correct |
15 ms |
23788 KB |
Output is correct |
3 |
Correct |
15 ms |
23788 KB |
Output is correct |
4 |
Correct |
15 ms |
23788 KB |
Output is correct |
5 |
Correct |
17 ms |
23788 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
15 ms |
23788 KB |
Output is correct |
8 |
Correct |
15 ms |
23788 KB |
Output is correct |
9 |
Correct |
16 ms |
23788 KB |
Output is correct |
10 |
Correct |
18 ms |
23788 KB |
Output is correct |
11 |
Correct |
18 ms |
23788 KB |
Output is correct |
12 |
Correct |
15 ms |
23788 KB |
Output is correct |
13 |
Correct |
16 ms |
23788 KB |
Output is correct |
14 |
Correct |
16 ms |
23788 KB |
Output is correct |
15 |
Correct |
15 ms |
23788 KB |
Output is correct |
16 |
Correct |
15 ms |
23788 KB |
Output is correct |
17 |
Correct |
16 ms |
23788 KB |
Output is correct |
18 |
Correct |
15 ms |
23788 KB |
Output is correct |
19 |
Correct |
16 ms |
23788 KB |
Output is correct |
20 |
Correct |
16 ms |
23916 KB |
Output is correct |
21 |
Correct |
15 ms |
23788 KB |
Output is correct |
22 |
Correct |
15 ms |
23916 KB |
Output is correct |
23 |
Correct |
17 ms |
23788 KB |
Output is correct |
24 |
Correct |
15 ms |
23916 KB |
Output is correct |
25 |
Correct |
17 ms |
23916 KB |
Output is correct |
26 |
Correct |
15 ms |
23916 KB |
Output is correct |
27 |
Correct |
17 ms |
23916 KB |
Output is correct |
28 |
Correct |
15 ms |
23916 KB |
Output is correct |
29 |
Correct |
18 ms |
23916 KB |
Output is correct |
30 |
Correct |
16 ms |
23916 KB |
Output is correct |
31 |
Correct |
15 ms |
23916 KB |
Output is correct |
32 |
Correct |
15 ms |
23916 KB |
Output is correct |
33 |
Correct |
16 ms |
23916 KB |
Output is correct |
34 |
Correct |
15 ms |
23788 KB |
Output is correct |
35 |
Correct |
16 ms |
23916 KB |
Output is correct |
36 |
Correct |
18 ms |
23916 KB |
Output is correct |
37 |
Correct |
16 ms |
23916 KB |
Output is correct |
38 |
Correct |
17 ms |
23916 KB |
Output is correct |
39 |
Correct |
16 ms |
23916 KB |
Output is correct |
40 |
Correct |
15 ms |
23916 KB |
Output is correct |
41 |
Correct |
16 ms |
23916 KB |
Output is correct |
42 |
Correct |
16 ms |
24044 KB |
Output is correct |
43 |
Correct |
16 ms |
23788 KB |
Output is correct |
44 |
Correct |
15 ms |
23788 KB |
Output is correct |
45 |
Correct |
15 ms |
23788 KB |
Output is correct |
46 |
Correct |
15 ms |
23788 KB |
Output is correct |
47 |
Correct |
16 ms |
23788 KB |
Output is correct |
48 |
Incorrect |
15 ms |
23788 KB |
Output isn't correct |
49 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
23788 KB |
Output is correct |
2 |
Correct |
15 ms |
23788 KB |
Output is correct |
3 |
Correct |
15 ms |
23788 KB |
Output is correct |
4 |
Correct |
15 ms |
23788 KB |
Output is correct |
5 |
Correct |
17 ms |
23788 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
15 ms |
23788 KB |
Output is correct |
8 |
Correct |
15 ms |
23788 KB |
Output is correct |
9 |
Correct |
16 ms |
23788 KB |
Output is correct |
10 |
Correct |
18 ms |
23788 KB |
Output is correct |
11 |
Correct |
18 ms |
23788 KB |
Output is correct |
12 |
Correct |
15 ms |
23788 KB |
Output is correct |
13 |
Correct |
16 ms |
23788 KB |
Output is correct |
14 |
Correct |
16 ms |
23788 KB |
Output is correct |
15 |
Correct |
15 ms |
23788 KB |
Output is correct |
16 |
Correct |
15 ms |
23788 KB |
Output is correct |
17 |
Correct |
16 ms |
23788 KB |
Output is correct |
18 |
Correct |
15 ms |
23788 KB |
Output is correct |
19 |
Correct |
16 ms |
23788 KB |
Output is correct |
20 |
Correct |
16 ms |
23916 KB |
Output is correct |
21 |
Correct |
15 ms |
23788 KB |
Output is correct |
22 |
Correct |
15 ms |
23916 KB |
Output is correct |
23 |
Correct |
17 ms |
23788 KB |
Output is correct |
24 |
Correct |
15 ms |
23916 KB |
Output is correct |
25 |
Correct |
17 ms |
23916 KB |
Output is correct |
26 |
Correct |
15 ms |
23916 KB |
Output is correct |
27 |
Correct |
17 ms |
23916 KB |
Output is correct |
28 |
Correct |
15 ms |
23916 KB |
Output is correct |
29 |
Correct |
18 ms |
23916 KB |
Output is correct |
30 |
Correct |
16 ms |
23916 KB |
Output is correct |
31 |
Correct |
15 ms |
23916 KB |
Output is correct |
32 |
Correct |
15 ms |
23916 KB |
Output is correct |
33 |
Correct |
16 ms |
23916 KB |
Output is correct |
34 |
Correct |
15 ms |
23788 KB |
Output is correct |
35 |
Correct |
16 ms |
23916 KB |
Output is correct |
36 |
Correct |
18 ms |
23916 KB |
Output is correct |
37 |
Correct |
16 ms |
23916 KB |
Output is correct |
38 |
Correct |
17 ms |
23916 KB |
Output is correct |
39 |
Correct |
16 ms |
23916 KB |
Output is correct |
40 |
Correct |
15 ms |
23916 KB |
Output is correct |
41 |
Correct |
16 ms |
23916 KB |
Output is correct |
42 |
Correct |
16 ms |
24044 KB |
Output is correct |
43 |
Correct |
16 ms |
23788 KB |
Output is correct |
44 |
Correct |
15 ms |
23788 KB |
Output is correct |
45 |
Correct |
15 ms |
23788 KB |
Output is correct |
46 |
Correct |
15 ms |
23788 KB |
Output is correct |
47 |
Correct |
16 ms |
23788 KB |
Output is correct |
48 |
Correct |
15 ms |
23788 KB |
Output is correct |
49 |
Correct |
15 ms |
23788 KB |
Output is correct |
50 |
Correct |
18 ms |
23916 KB |
Output is correct |
51 |
Correct |
16 ms |
23788 KB |
Output is correct |
52 |
Correct |
16 ms |
23788 KB |
Output is correct |
53 |
Correct |
15 ms |
23788 KB |
Output is correct |
54 |
Correct |
15 ms |
23788 KB |
Output is correct |
55 |
Correct |
16 ms |
23788 KB |
Output is correct |
56 |
Correct |
16 ms |
23788 KB |
Output is correct |
57 |
Correct |
16 ms |
23788 KB |
Output is correct |
58 |
Correct |
17 ms |
23916 KB |
Output is correct |
59 |
Correct |
15 ms |
23788 KB |
Output is correct |
60 |
Correct |
15 ms |
23788 KB |
Output is correct |
61 |
Correct |
16 ms |
23788 KB |
Output is correct |
62 |
Correct |
15 ms |
23788 KB |
Output is correct |
63 |
Correct |
16 ms |
23788 KB |
Output is correct |
64 |
Correct |
15 ms |
23788 KB |
Output is correct |
65 |
Correct |
16 ms |
23788 KB |
Output is correct |
66 |
Correct |
16 ms |
23788 KB |
Output is correct |
67 |
Correct |
15 ms |
23788 KB |
Output is correct |
68 |
Correct |
39 ms |
31468 KB |
Output is correct |
69 |
Correct |
64 ms |
38764 KB |
Output is correct |
70 |
Correct |
17 ms |
23788 KB |
Output is correct |
71 |
Correct |
92 ms |
46464 KB |
Output is correct |
72 |
Correct |
118 ms |
53868 KB |
Output is correct |
73 |
Correct |
137 ms |
61548 KB |
Output is correct |
74 |
Correct |
161 ms |
69100 KB |
Output is correct |
75 |
Correct |
184 ms |
76652 KB |
Output is correct |
76 |
Correct |
222 ms |
84204 KB |
Output is correct |
77 |
Correct |
245 ms |
91764 KB |
Output is correct |
78 |
Correct |
270 ms |
99436 KB |
Output is correct |
79 |
Correct |
300 ms |
106860 KB |
Output is correct |
80 |
Correct |
319 ms |
114532 KB |
Output is correct |
81 |
Correct |
16 ms |
23788 KB |
Output is correct |
82 |
Correct |
347 ms |
121964 KB |
Output is correct |
83 |
Correct |
366 ms |
129644 KB |
Output is correct |
84 |
Correct |
387 ms |
137068 KB |
Output is correct |
85 |
Correct |
420 ms |
144620 KB |
Output is correct |
86 |
Correct |
446 ms |
152172 KB |
Output is correct |
87 |
Correct |
493 ms |
159140 KB |
Output is correct |
88 |
Correct |
482 ms |
154476 KB |
Output is correct |
89 |
Correct |
515 ms |
160492 KB |
Output is correct |
90 |
Correct |
17 ms |
23936 KB |
Output is correct |
91 |
Correct |
15 ms |
23788 KB |
Output is correct |
92 |
Correct |
15 ms |
23788 KB |
Output is correct |
93 |
Correct |
16 ms |
23788 KB |
Output is correct |
94 |
Correct |
16 ms |
23788 KB |
Output is correct |
95 |
Incorrect |
15 ms |
23788 KB |
Output isn't correct |
96 |
Halted |
0 ms |
0 KB |
- |