| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 899317 |
2024-01-05T18:31:03 Z |
Keys |
Power Plant (JOI20_power) |
C++14 |
|
101 ms |
29596 KB |
#include <bits/stdc++.h>
using namespace std;
#define int int64_t
typedef vector<int> vi;
typedef pair<int, int> pi;
typedef vector<pi> vpi;
#define ar array
#define all(x) x.begin(), x.end()
#define pb push_back
#define endl '\n'
#define f first
#define s second
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define ROF(i, a, b) for (int i = a; i >= b; i--)
#define trav(i, a) for (auto& i : a)
template <class T> istream &operator>>(istream& in, vector<T> &v) {trav(i, v) in >> i; return in;}
#ifdef LOCAL
#include "../../lib/debug.h"
#else
#define dbg(...)
#endif
const int N = 2e5 + 5;
vi g[N];
int dp[N]; // no vertical path
string s;
int ans = 0;
void dfs(int u, int p) {
int sum = 0, mx = 0;
trav(v, g[u]) if (v != p) {
dfs(v, u);
sum += dp[v]; mx = max(mx, dp[v]);
}
if (s[u] == '1') {
ans = max(ans, max(sum - 1, mx + 1));
dp[u] = sum - 1;
if (dp[u] < 1) dp[u] = 1;
} else {
ans = max(ans, sum);
dp[u] = sum;
}
}
signed main() {
ios::sync_with_stdio(0); cin.tie(0);
int n; cin >> n;
FOR(i, 0, n - 1) {
int u, v; cin >> u >> v;
g[u].pb(v); g[v].pb(u);
}
cin >> s; s = '$' + s;
dfs(1, 0);
cout << ans << endl;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 2 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 3 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 4 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 5 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 6 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 7 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 8 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 9 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 10 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 11 |
Correct |
2 ms |
6552 KB |
Output is correct |
| 12 |
Correct |
2 ms |
6488 KB |
Output is correct |
| 13 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 14 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 15 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 16 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 17 |
Correct |
2 ms |
6396 KB |
Output is correct |
| 18 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 19 |
Correct |
3 ms |
6320 KB |
Output is correct |
| 20 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 21 |
Correct |
2 ms |
6492 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 2 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 3 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 4 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 5 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 6 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 7 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 8 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 9 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 10 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 11 |
Correct |
2 ms |
6552 KB |
Output is correct |
| 12 |
Correct |
2 ms |
6488 KB |
Output is correct |
| 13 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 14 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 15 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 16 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 17 |
Correct |
2 ms |
6396 KB |
Output is correct |
| 18 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 19 |
Correct |
3 ms |
6320 KB |
Output is correct |
| 20 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 21 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 22 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 23 |
Correct |
2 ms |
6560 KB |
Output is correct |
| 24 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 25 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 26 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 27 |
Correct |
2 ms |
6744 KB |
Output is correct |
| 28 |
Correct |
2 ms |
6560 KB |
Output is correct |
| 29 |
Correct |
2 ms |
6748 KB |
Output is correct |
| 30 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 31 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 32 |
Correct |
2 ms |
6488 KB |
Output is correct |
| 33 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 34 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 35 |
Correct |
2 ms |
6624 KB |
Output is correct |
| 36 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 37 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 38 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 39 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 40 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 41 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 42 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 43 |
Correct |
2 ms |
6596 KB |
Output is correct |
| 44 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 45 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 46 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 47 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 48 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 49 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 50 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 51 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 52 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 53 |
Correct |
2 ms |
6556 KB |
Output is correct |
| 54 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 55 |
Correct |
2 ms |
6688 KB |
Output is correct |
| 56 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 57 |
Correct |
2 ms |
6748 KB |
Output is correct |
| 58 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 59 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 60 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 61 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 62 |
Correct |
2 ms |
6560 KB |
Output is correct |
| 63 |
Correct |
2 ms |
6632 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 2 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 3 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 4 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 5 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 6 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 7 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 8 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 9 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 10 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 11 |
Correct |
2 ms |
6552 KB |
Output is correct |
| 12 |
Correct |
2 ms |
6488 KB |
Output is correct |
| 13 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 14 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 15 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 16 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 17 |
Correct |
2 ms |
6396 KB |
Output is correct |
| 18 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 19 |
Correct |
3 ms |
6320 KB |
Output is correct |
| 20 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 21 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 22 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 23 |
Correct |
2 ms |
6560 KB |
Output is correct |
| 24 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 25 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 26 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 27 |
Correct |
2 ms |
6744 KB |
Output is correct |
| 28 |
Correct |
2 ms |
6560 KB |
Output is correct |
| 29 |
Correct |
2 ms |
6748 KB |
Output is correct |
| 30 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 31 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 32 |
Correct |
2 ms |
6488 KB |
Output is correct |
| 33 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 34 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 35 |
Correct |
2 ms |
6624 KB |
Output is correct |
| 36 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 37 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 38 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 39 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 40 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 41 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 42 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 43 |
Correct |
2 ms |
6596 KB |
Output is correct |
| 44 |
Correct |
3 ms |
6492 KB |
Output is correct |
| 45 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 46 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 47 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 48 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 49 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 50 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 51 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 52 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 53 |
Correct |
2 ms |
6556 KB |
Output is correct |
| 54 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 55 |
Correct |
2 ms |
6688 KB |
Output is correct |
| 56 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 57 |
Correct |
2 ms |
6748 KB |
Output is correct |
| 58 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 59 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 60 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 61 |
Correct |
2 ms |
6492 KB |
Output is correct |
| 62 |
Correct |
2 ms |
6560 KB |
Output is correct |
| 63 |
Correct |
2 ms |
6632 KB |
Output is correct |
| 64 |
Correct |
82 ms |
17184 KB |
Output is correct |
| 65 |
Correct |
72 ms |
16996 KB |
Output is correct |
| 66 |
Correct |
68 ms |
17088 KB |
Output is correct |
| 67 |
Correct |
78 ms |
17036 KB |
Output is correct |
| 68 |
Correct |
68 ms |
17084 KB |
Output is correct |
| 69 |
Correct |
65 ms |
17012 KB |
Output is correct |
| 70 |
Correct |
64 ms |
16968 KB |
Output is correct |
| 71 |
Correct |
63 ms |
17056 KB |
Output is correct |
| 72 |
Correct |
65 ms |
17016 KB |
Output is correct |
| 73 |
Correct |
84 ms |
28608 KB |
Output is correct |
| 74 |
Correct |
77 ms |
28620 KB |
Output is correct |
| 75 |
Correct |
71 ms |
18320 KB |
Output is correct |
| 76 |
Correct |
67 ms |
18324 KB |
Output is correct |
| 77 |
Correct |
73 ms |
17052 KB |
Output is correct |
| 78 |
Correct |
65 ms |
17036 KB |
Output is correct |
| 79 |
Correct |
66 ms |
17048 KB |
Output is correct |
| 80 |
Correct |
65 ms |
17040 KB |
Output is correct |
| 81 |
Correct |
56 ms |
17092 KB |
Output is correct |
| 82 |
Correct |
60 ms |
16888 KB |
Output is correct |
| 83 |
Correct |
76 ms |
21996 KB |
Output is correct |
| 84 |
Correct |
92 ms |
24236 KB |
Output is correct |
| 85 |
Correct |
80 ms |
23768 KB |
Output is correct |
| 86 |
Correct |
66 ms |
18384 KB |
Output is correct |
| 87 |
Correct |
67 ms |
17612 KB |
Output is correct |
| 88 |
Correct |
69 ms |
17916 KB |
Output is correct |
| 89 |
Correct |
64 ms |
17880 KB |
Output is correct |
| 90 |
Correct |
65 ms |
17708 KB |
Output is correct |
| 91 |
Correct |
64 ms |
17832 KB |
Output is correct |
| 92 |
Correct |
81 ms |
18252 KB |
Output is correct |
| 93 |
Correct |
64 ms |
20428 KB |
Output is correct |
| 94 |
Correct |
71 ms |
22132 KB |
Output is correct |
| 95 |
Correct |
63 ms |
20616 KB |
Output is correct |
| 96 |
Correct |
62 ms |
18904 KB |
Output is correct |
| 97 |
Correct |
61 ms |
17452 KB |
Output is correct |
| 98 |
Correct |
76 ms |
17084 KB |
Output is correct |
| 99 |
Correct |
65 ms |
17104 KB |
Output is correct |
| 100 |
Correct |
66 ms |
19896 KB |
Output is correct |
| 101 |
Correct |
67 ms |
17992 KB |
Output is correct |
| 102 |
Correct |
60 ms |
17308 KB |
Output is correct |
| 103 |
Correct |
66 ms |
17192 KB |
Output is correct |
| 104 |
Correct |
44 ms |
17676 KB |
Output is correct |
| 105 |
Correct |
78 ms |
25384 KB |
Output is correct |
| 106 |
Correct |
45 ms |
17464 KB |
Output is correct |
| 107 |
Correct |
44 ms |
17596 KB |
Output is correct |
| 108 |
Correct |
77 ms |
29392 KB |
Output is correct |
| 109 |
Correct |
48 ms |
17728 KB |
Output is correct |
| 110 |
Correct |
101 ms |
29596 KB |
Output is correct |
| 111 |
Correct |
59 ms |
17000 KB |
Output is correct |
