| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1031803 |
2024-07-23T07:30:40 Z |
정민찬(#10962) |
Power Plant (JOI20_power) |
C++17 |
|
1500 ms |
16136 KB |
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[200010];
int sz[200010];
int chk[200010];
int getSize(int x, int p) {
sz[x] = 1;
for (auto &y : adj[x]) {
if (y == p || chk[y]) continue;
sz[x] += getSize(y, x);
}
return sz[x];
}
int getCent(int x, int p, int cap) {
for (auto &y : adj[x]) {
if (y == p || chk[y]) continue;
if (sz[y] * 2 > cap) return getCent(y, x, cap);
}
return x;
}
int C[200010];
int dp[200010];
void dfs(int x, int p) {
int sum = 0;
for (auto &y : adj[x]) {
if (y == p || chk[y]) continue;
dfs(y, x);
sum += dp[y];
}
dp[x] = max(C[x], sum - C[x]);
}
int ans = 0;
void dnc(int x) {
x = getCent(x, -1, getSize(x, -1));
dfs(x, -1);
ans = max(ans, dp[x]);
chk[x] = 1;
for (auto &y : adj[x]) {
if (!chk[y]) dnc(y);
}
}
int main() {
ios_base :: sync_with_stdio(false); cin.tie(NULL);
int n;
cin >> n;
for (int i=0; i<n-1; i++) {
int u, v;
cin >> u >> v;
adj[u].push_back(v);
adj[v].push_back(u);
}
string s;
cin >> s;
for (int i=1; i<=n; i++) {
C[i] = s[i-1] - '0';
}
for (int i=1; i<=n; i++) {
dfs(i, -1);
if (C[i]) {
for (auto &j : adj[i]) {
ans = max(ans, dp[j] + 1);
}
}
ans = max(ans, dp[i]);
}
cout << ans << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
2 ms |
5164 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
5156 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 11 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 13 |
Correct |
4 ms |
4976 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4992 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4960 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
2 ms |
5164 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
5156 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 11 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 13 |
Correct |
4 ms |
4976 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4992 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 22 |
Correct |
33 ms |
5468 KB |
Output is correct |
| 23 |
Correct |
33 ms |
5264 KB |
Output is correct |
| 24 |
Correct |
32 ms |
5244 KB |
Output is correct |
| 25 |
Correct |
32 ms |
5212 KB |
Output is correct |
| 26 |
Correct |
32 ms |
5268 KB |
Output is correct |
| 27 |
Correct |
32 ms |
5212 KB |
Output is correct |
| 28 |
Correct |
32 ms |
5212 KB |
Output is correct |
| 29 |
Correct |
51 ms |
5212 KB |
Output is correct |
| 30 |
Correct |
51 ms |
5208 KB |
Output is correct |
| 31 |
Correct |
28 ms |
5212 KB |
Output is correct |
| 32 |
Correct |
29 ms |
5212 KB |
Output is correct |
| 33 |
Correct |
36 ms |
5212 KB |
Output is correct |
| 34 |
Correct |
38 ms |
5216 KB |
Output is correct |
| 35 |
Correct |
36 ms |
5208 KB |
Output is correct |
| 36 |
Correct |
36 ms |
5212 KB |
Output is correct |
| 37 |
Correct |
25 ms |
5212 KB |
Output is correct |
| 38 |
Correct |
29 ms |
5216 KB |
Output is correct |
| 39 |
Correct |
38 ms |
5216 KB |
Output is correct |
| 40 |
Correct |
36 ms |
5216 KB |
Output is correct |
| 41 |
Correct |
37 ms |
5212 KB |
Output is correct |
| 42 |
Correct |
41 ms |
5212 KB |
Output is correct |
| 43 |
Correct |
33 ms |
5304 KB |
Output is correct |
| 44 |
Correct |
35 ms |
5212 KB |
Output is correct |
| 45 |
Correct |
37 ms |
5212 KB |
Output is correct |
| 46 |
Correct |
34 ms |
5208 KB |
Output is correct |
| 47 |
Correct |
34 ms |
5212 KB |
Output is correct |
| 48 |
Correct |
34 ms |
5212 KB |
Output is correct |
| 49 |
Correct |
34 ms |
5208 KB |
Output is correct |
| 50 |
Correct |
43 ms |
5212 KB |
Output is correct |
| 51 |
Correct |
40 ms |
5212 KB |
Output is correct |
| 52 |
Correct |
34 ms |
5212 KB |
Output is correct |
| 53 |
Correct |
30 ms |
5212 KB |
Output is correct |
| 54 |
Correct |
34 ms |
5212 KB |
Output is correct |
| 55 |
Correct |
39 ms |
5212 KB |
Output is correct |
| 56 |
Correct |
18 ms |
5212 KB |
Output is correct |
| 57 |
Correct |
50 ms |
5212 KB |
Output is correct |
| 58 |
Correct |
17 ms |
5212 KB |
Output is correct |
| 59 |
Correct |
19 ms |
5212 KB |
Output is correct |
| 60 |
Correct |
51 ms |
5212 KB |
Output is correct |
| 61 |
Correct |
20 ms |
5212 KB |
Output is correct |
| 62 |
Correct |
50 ms |
5212 KB |
Output is correct |
| 63 |
Correct |
25 ms |
5216 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 7 |
Correct |
2 ms |
5164 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
5156 KB |
Output is correct |
| 10 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 11 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 13 |
Correct |
4 ms |
4976 KB |
Output is correct |
| 14 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4992 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 22 |
Correct |
33 ms |
5468 KB |
Output is correct |
| 23 |
Correct |
33 ms |
5264 KB |
Output is correct |
| 24 |
Correct |
32 ms |
5244 KB |
Output is correct |
| 25 |
Correct |
32 ms |
5212 KB |
Output is correct |
| 26 |
Correct |
32 ms |
5268 KB |
Output is correct |
| 27 |
Correct |
32 ms |
5212 KB |
Output is correct |
| 28 |
Correct |
32 ms |
5212 KB |
Output is correct |
| 29 |
Correct |
51 ms |
5212 KB |
Output is correct |
| 30 |
Correct |
51 ms |
5208 KB |
Output is correct |
| 31 |
Correct |
28 ms |
5212 KB |
Output is correct |
| 32 |
Correct |
29 ms |
5212 KB |
Output is correct |
| 33 |
Correct |
36 ms |
5212 KB |
Output is correct |
| 34 |
Correct |
38 ms |
5216 KB |
Output is correct |
| 35 |
Correct |
36 ms |
5208 KB |
Output is correct |
| 36 |
Correct |
36 ms |
5212 KB |
Output is correct |
| 37 |
Correct |
25 ms |
5212 KB |
Output is correct |
| 38 |
Correct |
29 ms |
5216 KB |
Output is correct |
| 39 |
Correct |
38 ms |
5216 KB |
Output is correct |
| 40 |
Correct |
36 ms |
5216 KB |
Output is correct |
| 41 |
Correct |
37 ms |
5212 KB |
Output is correct |
| 42 |
Correct |
41 ms |
5212 KB |
Output is correct |
| 43 |
Correct |
33 ms |
5304 KB |
Output is correct |
| 44 |
Correct |
35 ms |
5212 KB |
Output is correct |
| 45 |
Correct |
37 ms |
5212 KB |
Output is correct |
| 46 |
Correct |
34 ms |
5208 KB |
Output is correct |
| 47 |
Correct |
34 ms |
5212 KB |
Output is correct |
| 48 |
Correct |
34 ms |
5212 KB |
Output is correct |
| 49 |
Correct |
34 ms |
5208 KB |
Output is correct |
| 50 |
Correct |
43 ms |
5212 KB |
Output is correct |
| 51 |
Correct |
40 ms |
5212 KB |
Output is correct |
| 52 |
Correct |
34 ms |
5212 KB |
Output is correct |
| 53 |
Correct |
30 ms |
5212 KB |
Output is correct |
| 54 |
Correct |
34 ms |
5212 KB |
Output is correct |
| 55 |
Correct |
39 ms |
5212 KB |
Output is correct |
| 56 |
Correct |
18 ms |
5212 KB |
Output is correct |
| 57 |
Correct |
50 ms |
5212 KB |
Output is correct |
| 58 |
Correct |
17 ms |
5212 KB |
Output is correct |
| 59 |
Correct |
19 ms |
5212 KB |
Output is correct |
| 60 |
Correct |
51 ms |
5212 KB |
Output is correct |
| 61 |
Correct |
20 ms |
5212 KB |
Output is correct |
| 62 |
Correct |
50 ms |
5212 KB |
Output is correct |
| 63 |
Correct |
25 ms |
5216 KB |
Output is correct |
| 64 |
Execution timed out |
1545 ms |
16136 KB |
Time limit exceeded |
| 65 |
Halted |
0 ms |
0 KB |
- |
