| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 943611 |
2024-03-11T16:24:48 Z |
aqxa |
Power Plant (JOI20_power) |
C++17 |
|
149 ms |
34564 KB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 2e5 + 10;
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
vector<vector<int>> g(n);
for (int i = 0; i < n - 1; ++i) {
int x, y;
cin >> x >> y;
x--; y--;
g[x].push_back(y);
g[y].push_back(x);
}
string s;
cin >> s;
int ans = 0;
vector<int> dp(n, 0);
function<void(int, int)> dfs = [&] (int x, int p) {
int c = 0, mx = 0;
for (auto y: g[x]) {
if (y != p) {
dfs(y, x);
c += dp[y];
mx = max(mx, dp[y]);
}
}
if (s[x] == '1') {
ans = max(ans, 1 + mx);
ans = max(ans, c - 1);
dp[x] = max(1, max(c - 1, mx - 1));
} else {
dp[x] = max(c, 0);
ans = max(ans, dp[x]);
}
};
dfs(0, -1);
// for (int i = 0; i < n; ++i) cout << dp[i] << '\n';
cout << ans << "\n";
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
464 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
604 KB |
Output is correct |
| 25 |
Correct |
1 ms |
600 KB |
Output is correct |
| 26 |
Correct |
1 ms |
472 KB |
Output is correct |
| 27 |
Correct |
1 ms |
600 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
604 KB |
Output is correct |
| 30 |
Correct |
1 ms |
604 KB |
Output is correct |
| 31 |
Correct |
1 ms |
344 KB |
Output is correct |
| 32 |
Correct |
1 ms |
344 KB |
Output is correct |
| 33 |
Correct |
1 ms |
348 KB |
Output is correct |
| 34 |
Correct |
1 ms |
348 KB |
Output is correct |
| 35 |
Correct |
1 ms |
348 KB |
Output is correct |
| 36 |
Correct |
1 ms |
468 KB |
Output is correct |
| 37 |
Correct |
1 ms |
464 KB |
Output is correct |
| 38 |
Correct |
2 ms |
604 KB |
Output is correct |
| 39 |
Correct |
1 ms |
604 KB |
Output is correct |
| 40 |
Correct |
1 ms |
464 KB |
Output is correct |
| 41 |
Correct |
1 ms |
604 KB |
Output is correct |
| 42 |
Correct |
1 ms |
604 KB |
Output is correct |
| 43 |
Correct |
1 ms |
604 KB |
Output is correct |
| 44 |
Correct |
1 ms |
604 KB |
Output is correct |
| 45 |
Correct |
1 ms |
600 KB |
Output is correct |
| 46 |
Correct |
1 ms |
600 KB |
Output is correct |
| 47 |
Correct |
1 ms |
604 KB |
Output is correct |
| 48 |
Correct |
1 ms |
584 KB |
Output is correct |
| 49 |
Correct |
2 ms |
604 KB |
Output is correct |
| 50 |
Correct |
1 ms |
468 KB |
Output is correct |
| 51 |
Correct |
1 ms |
600 KB |
Output is correct |
| 52 |
Correct |
1 ms |
604 KB |
Output is correct |
| 53 |
Correct |
2 ms |
604 KB |
Output is correct |
| 54 |
Correct |
1 ms |
604 KB |
Output is correct |
| 55 |
Correct |
1 ms |
604 KB |
Output is correct |
| 56 |
Correct |
1 ms |
604 KB |
Output is correct |
| 57 |
Correct |
1 ms |
604 KB |
Output is correct |
| 58 |
Correct |
1 ms |
596 KB |
Output is correct |
| 59 |
Correct |
1 ms |
600 KB |
Output is correct |
| 60 |
Correct |
1 ms |
600 KB |
Output is correct |
| 61 |
Correct |
1 ms |
604 KB |
Output is correct |
| 62 |
Correct |
1 ms |
604 KB |
Output is correct |
| 63 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
464 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
604 KB |
Output is correct |
| 25 |
Correct |
1 ms |
600 KB |
Output is correct |
| 26 |
Correct |
1 ms |
472 KB |
Output is correct |
| 27 |
Correct |
1 ms |
600 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
604 KB |
Output is correct |
| 30 |
Correct |
1 ms |
604 KB |
Output is correct |
| 31 |
Correct |
1 ms |
344 KB |
Output is correct |
| 32 |
Correct |
1 ms |
344 KB |
Output is correct |
| 33 |
Correct |
1 ms |
348 KB |
Output is correct |
| 34 |
Correct |
1 ms |
348 KB |
Output is correct |
| 35 |
Correct |
1 ms |
348 KB |
Output is correct |
| 36 |
Correct |
1 ms |
468 KB |
Output is correct |
| 37 |
Correct |
1 ms |
464 KB |
Output is correct |
| 38 |
Correct |
2 ms |
604 KB |
Output is correct |
| 39 |
Correct |
1 ms |
604 KB |
Output is correct |
| 40 |
Correct |
1 ms |
464 KB |
Output is correct |
| 41 |
Correct |
1 ms |
604 KB |
Output is correct |
| 42 |
Correct |
1 ms |
604 KB |
Output is correct |
| 43 |
Correct |
1 ms |
604 KB |
Output is correct |
| 44 |
Correct |
1 ms |
604 KB |
Output is correct |
| 45 |
Correct |
1 ms |
600 KB |
Output is correct |
| 46 |
Correct |
1 ms |
600 KB |
Output is correct |
| 47 |
Correct |
1 ms |
604 KB |
Output is correct |
| 48 |
Correct |
1 ms |
584 KB |
Output is correct |
| 49 |
Correct |
2 ms |
604 KB |
Output is correct |
| 50 |
Correct |
1 ms |
468 KB |
Output is correct |
| 51 |
Correct |
1 ms |
600 KB |
Output is correct |
| 52 |
Correct |
1 ms |
604 KB |
Output is correct |
| 53 |
Correct |
2 ms |
604 KB |
Output is correct |
| 54 |
Correct |
1 ms |
604 KB |
Output is correct |
| 55 |
Correct |
1 ms |
604 KB |
Output is correct |
| 56 |
Correct |
1 ms |
604 KB |
Output is correct |
| 57 |
Correct |
1 ms |
604 KB |
Output is correct |
| 58 |
Correct |
1 ms |
596 KB |
Output is correct |
| 59 |
Correct |
1 ms |
600 KB |
Output is correct |
| 60 |
Correct |
1 ms |
600 KB |
Output is correct |
| 61 |
Correct |
1 ms |
604 KB |
Output is correct |
| 62 |
Correct |
1 ms |
604 KB |
Output is correct |
| 63 |
Correct |
1 ms |
348 KB |
Output is correct |
| 64 |
Correct |
63 ms |
15272 KB |
Output is correct |
| 65 |
Correct |
89 ms |
15240 KB |
Output is correct |
| 66 |
Correct |
108 ms |
15220 KB |
Output is correct |
| 67 |
Correct |
137 ms |
15188 KB |
Output is correct |
| 68 |
Correct |
63 ms |
15232 KB |
Output is correct |
| 69 |
Correct |
122 ms |
15352 KB |
Output is correct |
| 70 |
Correct |
95 ms |
15284 KB |
Output is correct |
| 71 |
Correct |
86 ms |
15360 KB |
Output is correct |
| 72 |
Correct |
114 ms |
15244 KB |
Output is correct |
| 73 |
Correct |
91 ms |
32916 KB |
Output is correct |
| 74 |
Correct |
135 ms |
32940 KB |
Output is correct |
| 75 |
Correct |
66 ms |
15092 KB |
Output is correct |
| 76 |
Correct |
68 ms |
15168 KB |
Output is correct |
| 77 |
Correct |
85 ms |
15012 KB |
Output is correct |
| 78 |
Correct |
85 ms |
15244 KB |
Output is correct |
| 79 |
Correct |
93 ms |
15120 KB |
Output is correct |
| 80 |
Correct |
66 ms |
14988 KB |
Output is correct |
| 81 |
Correct |
110 ms |
15564 KB |
Output is correct |
| 82 |
Correct |
106 ms |
15444 KB |
Output is correct |
| 83 |
Correct |
138 ms |
22288 KB |
Output is correct |
| 84 |
Correct |
86 ms |
25508 KB |
Output is correct |
| 85 |
Correct |
104 ms |
24928 KB |
Output is correct |
| 86 |
Correct |
149 ms |
17080 KB |
Output is correct |
| 87 |
Correct |
81 ms |
16268 KB |
Output is correct |
| 88 |
Correct |
67 ms |
16588 KB |
Output is correct |
| 89 |
Correct |
91 ms |
16716 KB |
Output is correct |
| 90 |
Correct |
103 ms |
16368 KB |
Output is correct |
| 91 |
Correct |
93 ms |
16752 KB |
Output is correct |
| 92 |
Correct |
131 ms |
17276 KB |
Output is correct |
| 93 |
Correct |
82 ms |
20736 KB |
Output is correct |
| 94 |
Correct |
73 ms |
23244 KB |
Output is correct |
| 95 |
Correct |
108 ms |
21140 KB |
Output is correct |
| 96 |
Correct |
68 ms |
18684 KB |
Output is correct |
| 97 |
Correct |
103 ms |
16448 KB |
Output is correct |
| 98 |
Correct |
82 ms |
15808 KB |
Output is correct |
| 99 |
Correct |
75 ms |
15704 KB |
Output is correct |
| 100 |
Correct |
84 ms |
20012 KB |
Output is correct |
| 101 |
Correct |
78 ms |
17340 KB |
Output is correct |
| 102 |
Correct |
78 ms |
16228 KB |
Output is correct |
| 103 |
Correct |
77 ms |
15796 KB |
Output is correct |
| 104 |
Correct |
43 ms |
16080 KB |
Output is correct |
| 105 |
Correct |
103 ms |
28568 KB |
Output is correct |
| 106 |
Correct |
58 ms |
16072 KB |
Output is correct |
| 107 |
Correct |
43 ms |
15940 KB |
Output is correct |
| 108 |
Correct |
96 ms |
34060 KB |
Output is correct |
| 109 |
Correct |
44 ms |
16072 KB |
Output is correct |
| 110 |
Correct |
93 ms |
34564 KB |
Output is correct |
| 111 |
Correct |
68 ms |
15232 KB |
Output is correct |
