#include <bits/stdc++.h>
using namespace std;
using int64 = long long;
void fastIO() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
}
const int NMAX = 1e6 + 6;
int a[NMAX], ans;
int64 dp[NMAX], sum[NMAX];
vector<int> G[NMAX];
void dfs1(int u, int parent) {
sum[u] = a[u];
for (int v : G[u])
if (v != parent) {
dfs1(v, u);
sum[u] += sum[v];
if (sum[v] > dp[u])
dp[u] = sum[v];
}
}
void dfs2(int u, int parent, int64 s) {
if (dp[u] < dp[ans])
ans = u;
for (int v : G[u])
if (v != parent) {
int64 aux = dp[v];
if (s + a[u] > dp[v])
dp[v] = s + a[u];
dfs2(v, u, s + a[u]);
dp[v] = aux;
}
}
int LocateCentre(int N, int pp[], int S[], int D[]) {
for (int i = 0; i < N - 1; ++i) {
G[S[i]].emplace_back(D[i]);
G[D[i]].emplace_back(S[i]);
}
for (int i = 0; i < N; ++i)
a[i] = pp[i];
dfs1(0, -1);
dfs2(0, -1, 0);
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
23756 KB |
Output is correct |
2 |
Correct |
15 ms |
23784 KB |
Output is correct |
3 |
Correct |
16 ms |
23756 KB |
Output is correct |
4 |
Correct |
15 ms |
23756 KB |
Output is correct |
5 |
Correct |
15 ms |
23776 KB |
Output is correct |
6 |
Correct |
15 ms |
23820 KB |
Output is correct |
7 |
Correct |
15 ms |
23732 KB |
Output is correct |
8 |
Correct |
14 ms |
23756 KB |
Output is correct |
9 |
Correct |
14 ms |
23756 KB |
Output is correct |
10 |
Correct |
14 ms |
23796 KB |
Output is correct |
11 |
Correct |
14 ms |
23780 KB |
Output is correct |
12 |
Correct |
14 ms |
23768 KB |
Output is correct |
13 |
Correct |
14 ms |
23780 KB |
Output is correct |
14 |
Correct |
14 ms |
23756 KB |
Output is correct |
15 |
Correct |
14 ms |
23756 KB |
Output is correct |
16 |
Correct |
15 ms |
23756 KB |
Output is correct |
17 |
Correct |
16 ms |
23740 KB |
Output is correct |
18 |
Correct |
15 ms |
23756 KB |
Output is correct |
19 |
Correct |
14 ms |
23756 KB |
Output is correct |
20 |
Correct |
16 ms |
23764 KB |
Output is correct |
21 |
Correct |
15 ms |
23756 KB |
Output is correct |
22 |
Correct |
15 ms |
23756 KB |
Output is correct |
23 |
Correct |
15 ms |
23764 KB |
Output is correct |
24 |
Correct |
14 ms |
23756 KB |
Output is correct |
25 |
Correct |
15 ms |
23884 KB |
Output is correct |
26 |
Correct |
15 ms |
23756 KB |
Output is correct |
27 |
Correct |
15 ms |
23756 KB |
Output is correct |
28 |
Correct |
15 ms |
23880 KB |
Output is correct |
29 |
Correct |
15 ms |
23884 KB |
Output is correct |
30 |
Correct |
16 ms |
23896 KB |
Output is correct |
31 |
Correct |
15 ms |
23884 KB |
Output is correct |
32 |
Correct |
15 ms |
23884 KB |
Output is correct |
33 |
Correct |
15 ms |
23896 KB |
Output is correct |
34 |
Correct |
14 ms |
23756 KB |
Output is correct |
35 |
Correct |
15 ms |
23928 KB |
Output is correct |
36 |
Correct |
15 ms |
23908 KB |
Output is correct |
37 |
Correct |
15 ms |
23884 KB |
Output is correct |
38 |
Correct |
15 ms |
23884 KB |
Output is correct |
39 |
Correct |
15 ms |
23944 KB |
Output is correct |
40 |
Correct |
15 ms |
23920 KB |
Output is correct |
41 |
Correct |
15 ms |
23884 KB |
Output is correct |
42 |
Correct |
15 ms |
23884 KB |
Output is correct |
43 |
Correct |
16 ms |
23884 KB |
Output is correct |
44 |
Correct |
14 ms |
23756 KB |
Output is correct |
45 |
Correct |
15 ms |
23756 KB |
Output is correct |
46 |
Correct |
15 ms |
23900 KB |
Output is correct |
47 |
Correct |
15 ms |
23708 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
23756 KB |
Output is correct |
2 |
Correct |
15 ms |
23784 KB |
Output is correct |
3 |
Correct |
16 ms |
23756 KB |
Output is correct |
4 |
Correct |
15 ms |
23756 KB |
Output is correct |
5 |
Correct |
15 ms |
23776 KB |
Output is correct |
6 |
Correct |
15 ms |
23820 KB |
Output is correct |
7 |
Correct |
15 ms |
23732 KB |
Output is correct |
8 |
Correct |
14 ms |
23756 KB |
Output is correct |
9 |
Correct |
14 ms |
23756 KB |
Output is correct |
10 |
Correct |
14 ms |
23796 KB |
Output is correct |
11 |
Correct |
14 ms |
23780 KB |
Output is correct |
12 |
Correct |
14 ms |
23768 KB |
Output is correct |
13 |
Correct |
14 ms |
23780 KB |
Output is correct |
14 |
Correct |
14 ms |
23756 KB |
Output is correct |
15 |
Correct |
14 ms |
23756 KB |
Output is correct |
16 |
Correct |
15 ms |
23756 KB |
Output is correct |
17 |
Correct |
16 ms |
23740 KB |
Output is correct |
18 |
Correct |
15 ms |
23756 KB |
Output is correct |
19 |
Correct |
14 ms |
23756 KB |
Output is correct |
20 |
Correct |
16 ms |
23764 KB |
Output is correct |
21 |
Correct |
15 ms |
23756 KB |
Output is correct |
22 |
Correct |
15 ms |
23756 KB |
Output is correct |
23 |
Correct |
15 ms |
23764 KB |
Output is correct |
24 |
Correct |
14 ms |
23756 KB |
Output is correct |
25 |
Correct |
15 ms |
23884 KB |
Output is correct |
26 |
Correct |
15 ms |
23756 KB |
Output is correct |
27 |
Correct |
15 ms |
23756 KB |
Output is correct |
28 |
Correct |
15 ms |
23880 KB |
Output is correct |
29 |
Correct |
15 ms |
23884 KB |
Output is correct |
30 |
Correct |
16 ms |
23896 KB |
Output is correct |
31 |
Correct |
15 ms |
23884 KB |
Output is correct |
32 |
Correct |
15 ms |
23884 KB |
Output is correct |
33 |
Correct |
15 ms |
23896 KB |
Output is correct |
34 |
Correct |
14 ms |
23756 KB |
Output is correct |
35 |
Correct |
15 ms |
23928 KB |
Output is correct |
36 |
Correct |
15 ms |
23908 KB |
Output is correct |
37 |
Correct |
15 ms |
23884 KB |
Output is correct |
38 |
Correct |
15 ms |
23884 KB |
Output is correct |
39 |
Correct |
15 ms |
23944 KB |
Output is correct |
40 |
Correct |
15 ms |
23920 KB |
Output is correct |
41 |
Correct |
15 ms |
23884 KB |
Output is correct |
42 |
Correct |
15 ms |
23884 KB |
Output is correct |
43 |
Correct |
16 ms |
23884 KB |
Output is correct |
44 |
Correct |
14 ms |
23756 KB |
Output is correct |
45 |
Correct |
15 ms |
23756 KB |
Output is correct |
46 |
Correct |
15 ms |
23900 KB |
Output is correct |
47 |
Correct |
15 ms |
23708 KB |
Output is correct |
48 |
Correct |
18 ms |
23828 KB |
Output is correct |
49 |
Correct |
13 ms |
23792 KB |
Output is correct |
50 |
Correct |
14 ms |
23780 KB |
Output is correct |
51 |
Correct |
15 ms |
23820 KB |
Output is correct |
52 |
Correct |
15 ms |
23756 KB |
Output is correct |
53 |
Correct |
15 ms |
23776 KB |
Output is correct |
54 |
Correct |
15 ms |
23756 KB |
Output is correct |
55 |
Correct |
15 ms |
23736 KB |
Output is correct |
56 |
Correct |
15 ms |
23756 KB |
Output is correct |
57 |
Correct |
14 ms |
23768 KB |
Output is correct |
58 |
Correct |
15 ms |
23784 KB |
Output is correct |
59 |
Correct |
14 ms |
23756 KB |
Output is correct |
60 |
Correct |
15 ms |
23756 KB |
Output is correct |
61 |
Correct |
15 ms |
23756 KB |
Output is correct |
62 |
Correct |
15 ms |
23756 KB |
Output is correct |
63 |
Correct |
15 ms |
23748 KB |
Output is correct |
64 |
Correct |
14 ms |
23816 KB |
Output is correct |
65 |
Correct |
14 ms |
23804 KB |
Output is correct |
66 |
Correct |
15 ms |
23736 KB |
Output is correct |
67 |
Correct |
14 ms |
23756 KB |
Output is correct |
68 |
Correct |
41 ms |
31612 KB |
Output is correct |
69 |
Correct |
69 ms |
39388 KB |
Output is correct |
70 |
Correct |
15 ms |
23760 KB |
Output is correct |
71 |
Correct |
98 ms |
47272 KB |
Output is correct |
72 |
Correct |
127 ms |
55020 KB |
Output is correct |
73 |
Correct |
155 ms |
63060 KB |
Output is correct |
74 |
Correct |
179 ms |
70764 KB |
Output is correct |
75 |
Correct |
208 ms |
78532 KB |
Output is correct |
76 |
Correct |
236 ms |
86604 KB |
Output is correct |
77 |
Correct |
263 ms |
94276 KB |
Output is correct |
78 |
Correct |
301 ms |
102060 KB |
Output is correct |
79 |
Correct |
326 ms |
109876 KB |
Output is correct |
80 |
Correct |
352 ms |
117692 KB |
Output is correct |
81 |
Correct |
15 ms |
23760 KB |
Output is correct |
82 |
Correct |
385 ms |
125528 KB |
Output is correct |
83 |
Correct |
429 ms |
133384 KB |
Output is correct |
84 |
Correct |
447 ms |
141128 KB |
Output is correct |
85 |
Correct |
469 ms |
149100 KB |
Output is correct |
86 |
Correct |
500 ms |
156868 KB |
Output is correct |
87 |
Correct |
526 ms |
164800 KB |
Output is correct |
88 |
Correct |
560 ms |
172552 KB |
Output is correct |
89 |
Correct |
584 ms |
180256 KB |
Output is correct |
90 |
Correct |
14 ms |
23756 KB |
Output is correct |
91 |
Correct |
14 ms |
23828 KB |
Output is correct |
92 |
Correct |
15 ms |
23756 KB |
Output is correct |
93 |
Correct |
14 ms |
23756 KB |
Output is correct |
94 |
Correct |
15 ms |
23756 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
23756 KB |
Output is correct |
2 |
Correct |
15 ms |
23784 KB |
Output is correct |
3 |
Correct |
16 ms |
23756 KB |
Output is correct |
4 |
Correct |
15 ms |
23756 KB |
Output is correct |
5 |
Correct |
15 ms |
23776 KB |
Output is correct |
6 |
Correct |
15 ms |
23820 KB |
Output is correct |
7 |
Correct |
15 ms |
23732 KB |
Output is correct |
8 |
Correct |
14 ms |
23756 KB |
Output is correct |
9 |
Correct |
14 ms |
23756 KB |
Output is correct |
10 |
Correct |
14 ms |
23796 KB |
Output is correct |
11 |
Correct |
14 ms |
23780 KB |
Output is correct |
12 |
Correct |
14 ms |
23768 KB |
Output is correct |
13 |
Correct |
14 ms |
23780 KB |
Output is correct |
14 |
Correct |
14 ms |
23756 KB |
Output is correct |
15 |
Correct |
14 ms |
23756 KB |
Output is correct |
16 |
Correct |
15 ms |
23756 KB |
Output is correct |
17 |
Correct |
16 ms |
23740 KB |
Output is correct |
18 |
Correct |
15 ms |
23756 KB |
Output is correct |
19 |
Correct |
14 ms |
23756 KB |
Output is correct |
20 |
Correct |
16 ms |
23764 KB |
Output is correct |
21 |
Correct |
15 ms |
23756 KB |
Output is correct |
22 |
Correct |
15 ms |
23756 KB |
Output is correct |
23 |
Correct |
15 ms |
23764 KB |
Output is correct |
24 |
Correct |
14 ms |
23756 KB |
Output is correct |
25 |
Correct |
15 ms |
23884 KB |
Output is correct |
26 |
Correct |
15 ms |
23756 KB |
Output is correct |
27 |
Correct |
15 ms |
23756 KB |
Output is correct |
28 |
Correct |
15 ms |
23880 KB |
Output is correct |
29 |
Correct |
15 ms |
23884 KB |
Output is correct |
30 |
Correct |
16 ms |
23896 KB |
Output is correct |
31 |
Correct |
15 ms |
23884 KB |
Output is correct |
32 |
Correct |
15 ms |
23884 KB |
Output is correct |
33 |
Correct |
15 ms |
23896 KB |
Output is correct |
34 |
Correct |
14 ms |
23756 KB |
Output is correct |
35 |
Correct |
15 ms |
23928 KB |
Output is correct |
36 |
Correct |
15 ms |
23908 KB |
Output is correct |
37 |
Correct |
15 ms |
23884 KB |
Output is correct |
38 |
Correct |
15 ms |
23884 KB |
Output is correct |
39 |
Correct |
15 ms |
23944 KB |
Output is correct |
40 |
Correct |
15 ms |
23920 KB |
Output is correct |
41 |
Correct |
15 ms |
23884 KB |
Output is correct |
42 |
Correct |
15 ms |
23884 KB |
Output is correct |
43 |
Correct |
16 ms |
23884 KB |
Output is correct |
44 |
Correct |
14 ms |
23756 KB |
Output is correct |
45 |
Correct |
15 ms |
23756 KB |
Output is correct |
46 |
Correct |
15 ms |
23900 KB |
Output is correct |
47 |
Correct |
15 ms |
23708 KB |
Output is correct |
48 |
Incorrect |
15 ms |
23724 KB |
Output isn't correct |
49 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
23756 KB |
Output is correct |
2 |
Correct |
15 ms |
23784 KB |
Output is correct |
3 |
Correct |
16 ms |
23756 KB |
Output is correct |
4 |
Correct |
15 ms |
23756 KB |
Output is correct |
5 |
Correct |
15 ms |
23776 KB |
Output is correct |
6 |
Correct |
15 ms |
23820 KB |
Output is correct |
7 |
Correct |
15 ms |
23732 KB |
Output is correct |
8 |
Correct |
14 ms |
23756 KB |
Output is correct |
9 |
Correct |
14 ms |
23756 KB |
Output is correct |
10 |
Correct |
14 ms |
23796 KB |
Output is correct |
11 |
Correct |
14 ms |
23780 KB |
Output is correct |
12 |
Correct |
14 ms |
23768 KB |
Output is correct |
13 |
Correct |
14 ms |
23780 KB |
Output is correct |
14 |
Correct |
14 ms |
23756 KB |
Output is correct |
15 |
Correct |
14 ms |
23756 KB |
Output is correct |
16 |
Correct |
15 ms |
23756 KB |
Output is correct |
17 |
Correct |
16 ms |
23740 KB |
Output is correct |
18 |
Correct |
15 ms |
23756 KB |
Output is correct |
19 |
Correct |
14 ms |
23756 KB |
Output is correct |
20 |
Correct |
16 ms |
23764 KB |
Output is correct |
21 |
Correct |
15 ms |
23756 KB |
Output is correct |
22 |
Correct |
15 ms |
23756 KB |
Output is correct |
23 |
Correct |
15 ms |
23764 KB |
Output is correct |
24 |
Correct |
14 ms |
23756 KB |
Output is correct |
25 |
Correct |
15 ms |
23884 KB |
Output is correct |
26 |
Correct |
15 ms |
23756 KB |
Output is correct |
27 |
Correct |
15 ms |
23756 KB |
Output is correct |
28 |
Correct |
15 ms |
23880 KB |
Output is correct |
29 |
Correct |
15 ms |
23884 KB |
Output is correct |
30 |
Correct |
16 ms |
23896 KB |
Output is correct |
31 |
Correct |
15 ms |
23884 KB |
Output is correct |
32 |
Correct |
15 ms |
23884 KB |
Output is correct |
33 |
Correct |
15 ms |
23896 KB |
Output is correct |
34 |
Correct |
14 ms |
23756 KB |
Output is correct |
35 |
Correct |
15 ms |
23928 KB |
Output is correct |
36 |
Correct |
15 ms |
23908 KB |
Output is correct |
37 |
Correct |
15 ms |
23884 KB |
Output is correct |
38 |
Correct |
15 ms |
23884 KB |
Output is correct |
39 |
Correct |
15 ms |
23944 KB |
Output is correct |
40 |
Correct |
15 ms |
23920 KB |
Output is correct |
41 |
Correct |
15 ms |
23884 KB |
Output is correct |
42 |
Correct |
15 ms |
23884 KB |
Output is correct |
43 |
Correct |
16 ms |
23884 KB |
Output is correct |
44 |
Correct |
14 ms |
23756 KB |
Output is correct |
45 |
Correct |
15 ms |
23756 KB |
Output is correct |
46 |
Correct |
15 ms |
23900 KB |
Output is correct |
47 |
Correct |
15 ms |
23708 KB |
Output is correct |
48 |
Correct |
18 ms |
23828 KB |
Output is correct |
49 |
Correct |
13 ms |
23792 KB |
Output is correct |
50 |
Correct |
14 ms |
23780 KB |
Output is correct |
51 |
Correct |
15 ms |
23820 KB |
Output is correct |
52 |
Correct |
15 ms |
23756 KB |
Output is correct |
53 |
Correct |
15 ms |
23776 KB |
Output is correct |
54 |
Correct |
15 ms |
23756 KB |
Output is correct |
55 |
Correct |
15 ms |
23736 KB |
Output is correct |
56 |
Correct |
15 ms |
23756 KB |
Output is correct |
57 |
Correct |
14 ms |
23768 KB |
Output is correct |
58 |
Correct |
15 ms |
23784 KB |
Output is correct |
59 |
Correct |
14 ms |
23756 KB |
Output is correct |
60 |
Correct |
15 ms |
23756 KB |
Output is correct |
61 |
Correct |
15 ms |
23756 KB |
Output is correct |
62 |
Correct |
15 ms |
23756 KB |
Output is correct |
63 |
Correct |
15 ms |
23748 KB |
Output is correct |
64 |
Correct |
14 ms |
23816 KB |
Output is correct |
65 |
Correct |
14 ms |
23804 KB |
Output is correct |
66 |
Correct |
15 ms |
23736 KB |
Output is correct |
67 |
Correct |
14 ms |
23756 KB |
Output is correct |
68 |
Correct |
41 ms |
31612 KB |
Output is correct |
69 |
Correct |
69 ms |
39388 KB |
Output is correct |
70 |
Correct |
15 ms |
23760 KB |
Output is correct |
71 |
Correct |
98 ms |
47272 KB |
Output is correct |
72 |
Correct |
127 ms |
55020 KB |
Output is correct |
73 |
Correct |
155 ms |
63060 KB |
Output is correct |
74 |
Correct |
179 ms |
70764 KB |
Output is correct |
75 |
Correct |
208 ms |
78532 KB |
Output is correct |
76 |
Correct |
236 ms |
86604 KB |
Output is correct |
77 |
Correct |
263 ms |
94276 KB |
Output is correct |
78 |
Correct |
301 ms |
102060 KB |
Output is correct |
79 |
Correct |
326 ms |
109876 KB |
Output is correct |
80 |
Correct |
352 ms |
117692 KB |
Output is correct |
81 |
Correct |
15 ms |
23760 KB |
Output is correct |
82 |
Correct |
385 ms |
125528 KB |
Output is correct |
83 |
Correct |
429 ms |
133384 KB |
Output is correct |
84 |
Correct |
447 ms |
141128 KB |
Output is correct |
85 |
Correct |
469 ms |
149100 KB |
Output is correct |
86 |
Correct |
500 ms |
156868 KB |
Output is correct |
87 |
Correct |
526 ms |
164800 KB |
Output is correct |
88 |
Correct |
560 ms |
172552 KB |
Output is correct |
89 |
Correct |
584 ms |
180256 KB |
Output is correct |
90 |
Correct |
14 ms |
23756 KB |
Output is correct |
91 |
Correct |
14 ms |
23828 KB |
Output is correct |
92 |
Correct |
15 ms |
23756 KB |
Output is correct |
93 |
Correct |
14 ms |
23756 KB |
Output is correct |
94 |
Correct |
15 ms |
23756 KB |
Output is correct |
95 |
Incorrect |
15 ms |
23724 KB |
Output isn't correct |
96 |
Halted |
0 ms |
0 KB |
- |