| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1031804 |
2024-07-23T07:31:46 Z |
정민찬(#10962) |
Power Plant (JOI20_power) |
C++17 |
|
394 ms |
28640 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);
if (C[x]) {
for (auto &y : adj[x]) {
if (chk[y]) continue;
ans = max(ans, dp[y] + 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';
}
dnc(1);
cout << ans << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4956 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 |
4956 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4956 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 |
2 ms |
4956 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 |
4956 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4980 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4964 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4964 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4960 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4956 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 |
4956 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4956 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 |
2 ms |
4956 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 |
4956 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4980 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4964 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4964 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 22 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 23 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 24 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 25 |
Correct |
5 ms |
5224 KB |
Output is correct |
| 26 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 27 |
Correct |
3 ms |
5236 KB |
Output is correct |
| 28 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 29 |
Correct |
3 ms |
5252 KB |
Output is correct |
| 30 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 31 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 32 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 33 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 34 |
Correct |
3 ms |
5216 KB |
Output is correct |
| 35 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 36 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 37 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 38 |
Correct |
3 ms |
5300 KB |
Output is correct |
| 39 |
Correct |
3 ms |
5216 KB |
Output is correct |
| 40 |
Correct |
3 ms |
5216 KB |
Output is correct |
| 41 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 42 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 43 |
Correct |
3 ms |
5304 KB |
Output is correct |
| 44 |
Correct |
3 ms |
5216 KB |
Output is correct |
| 45 |
Correct |
3 ms |
5104 KB |
Output is correct |
| 46 |
Correct |
3 ms |
5296 KB |
Output is correct |
| 47 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 48 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 49 |
Correct |
3 ms |
5168 KB |
Output is correct |
| 50 |
Correct |
3 ms |
5216 KB |
Output is correct |
| 51 |
Correct |
3 ms |
5292 KB |
Output is correct |
| 52 |
Correct |
3 ms |
5468 KB |
Output is correct |
| 53 |
Correct |
4 ms |
5212 KB |
Output is correct |
| 54 |
Correct |
4 ms |
5212 KB |
Output is correct |
| 55 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 56 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 57 |
Correct |
3 ms |
5168 KB |
Output is correct |
| 58 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 59 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 60 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 61 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 62 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 63 |
Correct |
3 ms |
5212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4956 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 |
4956 KB |
Output is correct |
| 8 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 9 |
Correct |
2 ms |
4956 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 |
2 ms |
4956 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 |
4956 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 18 |
Correct |
2 ms |
4980 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4964 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4964 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 22 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 23 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 24 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 25 |
Correct |
5 ms |
5224 KB |
Output is correct |
| 26 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 27 |
Correct |
3 ms |
5236 KB |
Output is correct |
| 28 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 29 |
Correct |
3 ms |
5252 KB |
Output is correct |
| 30 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 31 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 32 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 33 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 34 |
Correct |
3 ms |
5216 KB |
Output is correct |
| 35 |
Correct |
3 ms |
5172 KB |
Output is correct |
| 36 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 37 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 38 |
Correct |
3 ms |
5300 KB |
Output is correct |
| 39 |
Correct |
3 ms |
5216 KB |
Output is correct |
| 40 |
Correct |
3 ms |
5216 KB |
Output is correct |
| 41 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 42 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 43 |
Correct |
3 ms |
5304 KB |
Output is correct |
| 44 |
Correct |
3 ms |
5216 KB |
Output is correct |
| 45 |
Correct |
3 ms |
5104 KB |
Output is correct |
| 46 |
Correct |
3 ms |
5296 KB |
Output is correct |
| 47 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 48 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 49 |
Correct |
3 ms |
5168 KB |
Output is correct |
| 50 |
Correct |
3 ms |
5216 KB |
Output is correct |
| 51 |
Correct |
3 ms |
5292 KB |
Output is correct |
| 52 |
Correct |
3 ms |
5468 KB |
Output is correct |
| 53 |
Correct |
4 ms |
5212 KB |
Output is correct |
| 54 |
Correct |
4 ms |
5212 KB |
Output is correct |
| 55 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 56 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 57 |
Correct |
3 ms |
5168 KB |
Output is correct |
| 58 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 59 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 60 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 61 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 62 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 63 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 64 |
Correct |
219 ms |
16452 KB |
Output is correct |
| 65 |
Correct |
217 ms |
17556 KB |
Output is correct |
| 66 |
Correct |
197 ms |
17536 KB |
Output is correct |
| 67 |
Correct |
205 ms |
17576 KB |
Output is correct |
| 68 |
Correct |
203 ms |
17448 KB |
Output is correct |
| 69 |
Correct |
197 ms |
17660 KB |
Output is correct |
| 70 |
Correct |
200 ms |
17568 KB |
Output is correct |
| 71 |
Correct |
213 ms |
17452 KB |
Output is correct |
| 72 |
Correct |
203 ms |
17548 KB |
Output is correct |
| 73 |
Correct |
348 ms |
27804 KB |
Output is correct |
| 74 |
Correct |
343 ms |
27536 KB |
Output is correct |
| 75 |
Correct |
183 ms |
17356 KB |
Output is correct |
| 76 |
Correct |
205 ms |
17560 KB |
Output is correct |
| 77 |
Correct |
211 ms |
17548 KB |
Output is correct |
| 78 |
Correct |
214 ms |
17556 KB |
Output is correct |
| 79 |
Correct |
251 ms |
17400 KB |
Output is correct |
| 80 |
Correct |
220 ms |
17548 KB |
Output is correct |
| 81 |
Correct |
69 ms |
17872 KB |
Output is correct |
| 82 |
Correct |
89 ms |
17708 KB |
Output is correct |
| 83 |
Correct |
303 ms |
21588 KB |
Output is correct |
| 84 |
Correct |
295 ms |
23460 KB |
Output is correct |
| 85 |
Correct |
328 ms |
23008 KB |
Output is correct |
| 86 |
Correct |
227 ms |
18576 KB |
Output is correct |
| 87 |
Correct |
248 ms |
18248 KB |
Output is correct |
| 88 |
Correct |
181 ms |
18640 KB |
Output is correct |
| 89 |
Correct |
193 ms |
18592 KB |
Output is correct |
| 90 |
Correct |
186 ms |
18732 KB |
Output is correct |
| 91 |
Correct |
175 ms |
18800 KB |
Output is correct |
| 92 |
Correct |
166 ms |
18820 KB |
Output is correct |
| 93 |
Correct |
222 ms |
23492 KB |
Output is correct |
| 94 |
Correct |
208 ms |
24408 KB |
Output is correct |
| 95 |
Correct |
198 ms |
21324 KB |
Output is correct |
| 96 |
Correct |
202 ms |
20084 KB |
Output is correct |
| 97 |
Correct |
168 ms |
18424 KB |
Output is correct |
| 98 |
Correct |
150 ms |
18116 KB |
Output is correct |
| 99 |
Correct |
155 ms |
17924 KB |
Output is correct |
| 100 |
Correct |
185 ms |
20392 KB |
Output is correct |
| 101 |
Correct |
169 ms |
18704 KB |
Output is correct |
| 102 |
Correct |
175 ms |
18392 KB |
Output is correct |
| 103 |
Correct |
178 ms |
18100 KB |
Output is correct |
| 104 |
Correct |
47 ms |
18372 KB |
Output is correct |
| 105 |
Correct |
388 ms |
25200 KB |
Output is correct |
| 106 |
Correct |
48 ms |
18372 KB |
Output is correct |
| 107 |
Correct |
45 ms |
18256 KB |
Output is correct |
| 108 |
Correct |
382 ms |
28308 KB |
Output is correct |
| 109 |
Correct |
45 ms |
18304 KB |
Output is correct |
| 110 |
Correct |
394 ms |
28640 KB |
Output is correct |
| 111 |
Correct |
127 ms |
17560 KB |
Output is correct |
