| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1032541 |
2024-07-24T01:39:39 Z |
juicy |
Power Plant (JOI20_power) |
C++17 |
|
102 ms |
31032 KB |
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
const int N = 2e5 + 5;
int n;
char s[N];
int dp[N], sum[N], f[N], mx[N];
vector<int> g[N];
void dfs(int u, int p) {
for (int v : g[u]) {
if (v != p) {
dfs(v, u);
mx[u] = max(mx[u], dp[v]);
sum[u] += dp[v];
}
}
if (s[u] == '1') {
dp[u] = max(1, sum[u] - 1);
} else {
dp[u] = sum[u];
}
}
int res = 0;
void reroot(int u, int p) {
if (s[u] == '1') {
res = max({res, f[u] + sum[u] - 1, max(f[u], mx[u]) + 1});
}
for (int v : g[u]) {
if (v != p) {
if (s[u] == '1') {
f[v] = max(1, sum[u] - dp[v] + f[u] - 1);
} else {
f[v] = sum[u] - dp[v] + f[u];
}
reroot(v, u);
}
}
}
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
cin >> n;
for (int i = 1; i < n; ++i) {
int u, v; cin >> u >> v;
g[u].push_back(v);
g[v].push_back(u);
}
for (int i = 1; i <= n; ++i) {
cin >> s[i];
}
dfs(1, 1);
reroot(1, 1);
cout << res;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
3 ms |
5044 KB |
Output is correct |
| 6 |
Correct |
2 ms |
5164 KB |
Output is correct |
| 7 |
Correct |
2 ms |
5212 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 |
4956 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4956 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
3 ms |
5044 KB |
Output is correct |
| 6 |
Correct |
2 ms |
5164 KB |
Output is correct |
| 7 |
Correct |
2 ms |
5212 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 |
4956 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 22 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 23 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 24 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 25 |
Correct |
4 ms |
5176 KB |
Output is correct |
| 26 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 27 |
Correct |
4 ms |
5176 KB |
Output is correct |
| 28 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 29 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 30 |
Correct |
3 ms |
5288 KB |
Output is correct |
| 31 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 32 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 33 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 34 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 35 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 36 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 37 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 38 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 39 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 40 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 41 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 42 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 43 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 44 |
Correct |
4 ms |
5212 KB |
Output is correct |
| 45 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 46 |
Correct |
4 ms |
5192 KB |
Output is correct |
| 47 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 48 |
Correct |
3 ms |
5200 KB |
Output is correct |
| 49 |
Correct |
3 ms |
5380 KB |
Output is correct |
| 50 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 51 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 52 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 53 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 54 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 55 |
Correct |
3 ms |
5180 KB |
Output is correct |
| 56 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 57 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 58 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 59 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 60 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 61 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 62 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 63 |
Correct |
4 ms |
5212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 3 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 4 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 5 |
Correct |
3 ms |
5044 KB |
Output is correct |
| 6 |
Correct |
2 ms |
5164 KB |
Output is correct |
| 7 |
Correct |
2 ms |
5212 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 |
4956 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 20 |
Correct |
2 ms |
4960 KB |
Output is correct |
| 21 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 22 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 23 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 24 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 25 |
Correct |
4 ms |
5176 KB |
Output is correct |
| 26 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 27 |
Correct |
4 ms |
5176 KB |
Output is correct |
| 28 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 29 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 30 |
Correct |
3 ms |
5288 KB |
Output is correct |
| 31 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 32 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 33 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 34 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 35 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 36 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 37 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 38 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 39 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 40 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 41 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 42 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 43 |
Correct |
3 ms |
5176 KB |
Output is correct |
| 44 |
Correct |
4 ms |
5212 KB |
Output is correct |
| 45 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 46 |
Correct |
4 ms |
5192 KB |
Output is correct |
| 47 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 48 |
Correct |
3 ms |
5200 KB |
Output is correct |
| 49 |
Correct |
3 ms |
5380 KB |
Output is correct |
| 50 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 51 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 52 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 53 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 54 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 55 |
Correct |
3 ms |
5180 KB |
Output is correct |
| 56 |
Correct |
2 ms |
5208 KB |
Output is correct |
| 57 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 58 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 59 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 60 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 61 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 62 |
Correct |
2 ms |
5212 KB |
Output is correct |
| 63 |
Correct |
4 ms |
5212 KB |
Output is correct |
| 64 |
Correct |
70 ms |
17492 KB |
Output is correct |
| 65 |
Correct |
72 ms |
17456 KB |
Output is correct |
| 66 |
Correct |
68 ms |
17452 KB |
Output is correct |
| 67 |
Correct |
82 ms |
17360 KB |
Output is correct |
| 68 |
Correct |
72 ms |
17492 KB |
Output is correct |
| 69 |
Correct |
66 ms |
17544 KB |
Output is correct |
| 70 |
Correct |
71 ms |
17492 KB |
Output is correct |
| 71 |
Correct |
72 ms |
17356 KB |
Output is correct |
| 72 |
Correct |
72 ms |
17504 KB |
Output is correct |
| 73 |
Correct |
94 ms |
29936 KB |
Output is correct |
| 74 |
Correct |
93 ms |
30040 KB |
Output is correct |
| 75 |
Correct |
63 ms |
17240 KB |
Output is correct |
| 76 |
Correct |
64 ms |
17232 KB |
Output is correct |
| 77 |
Correct |
78 ms |
17492 KB |
Output is correct |
| 78 |
Correct |
71 ms |
17220 KB |
Output is correct |
| 79 |
Correct |
69 ms |
17232 KB |
Output is correct |
| 80 |
Correct |
71 ms |
17232 KB |
Output is correct |
| 81 |
Correct |
58 ms |
17572 KB |
Output is correct |
| 82 |
Correct |
63 ms |
17616 KB |
Output is correct |
| 83 |
Correct |
75 ms |
22560 KB |
Output is correct |
| 84 |
Correct |
81 ms |
24736 KB |
Output is correct |
| 85 |
Correct |
102 ms |
24352 KB |
Output is correct |
| 86 |
Correct |
70 ms |
18768 KB |
Output is correct |
| 87 |
Correct |
68 ms |
18260 KB |
Output is correct |
| 88 |
Correct |
69 ms |
18672 KB |
Output is correct |
| 89 |
Correct |
71 ms |
18768 KB |
Output is correct |
| 90 |
Correct |
71 ms |
18512 KB |
Output is correct |
| 91 |
Correct |
69 ms |
18756 KB |
Output is correct |
| 92 |
Correct |
68 ms |
19024 KB |
Output is correct |
| 93 |
Correct |
72 ms |
21456 KB |
Output is correct |
| 94 |
Correct |
80 ms |
22948 KB |
Output is correct |
| 95 |
Correct |
68 ms |
21708 KB |
Output is correct |
| 96 |
Correct |
73 ms |
19984 KB |
Output is correct |
| 97 |
Correct |
64 ms |
18552 KB |
Output is correct |
| 98 |
Correct |
66 ms |
18000 KB |
Output is correct |
| 99 |
Correct |
68 ms |
17868 KB |
Output is correct |
| 100 |
Correct |
67 ms |
21072 KB |
Output is correct |
| 101 |
Correct |
77 ms |
19028 KB |
Output is correct |
| 102 |
Correct |
69 ms |
18256 KB |
Output is correct |
| 103 |
Correct |
73 ms |
18004 KB |
Output is correct |
| 104 |
Correct |
42 ms |
16708 KB |
Output is correct |
| 105 |
Correct |
97 ms |
26964 KB |
Output is correct |
| 106 |
Correct |
45 ms |
16512 KB |
Output is correct |
| 107 |
Correct |
49 ms |
16448 KB |
Output is correct |
| 108 |
Correct |
95 ms |
30804 KB |
Output is correct |
| 109 |
Correct |
54 ms |
16556 KB |
Output is correct |
| 110 |
Correct |
86 ms |
31032 KB |
Output is correct |
| 111 |
Correct |
66 ms |
17232 KB |
Output is correct |
