#include "roads.h"
// O(N^2 log(N)) solution
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define all(c) ((c).begin()), ((c).end())
#define sz(x) ((int)(x).size())
const ll INF = 1LL << 50;
vector<ll> minimum_closure_costs(int n, vector<int> a, vector<int> b, vector<int> w) {
ll W = 0;
vector<vector<int>> adj(n);
for (int i = 0; i + 1 < n; i++) {
adj[a[i]].push_back(i);
adj[b[i]].push_back(i);
W += w[i];
}
vector<vector<ll>> dp(n, vector<ll>(2));
function<void(int, int, int)> dfs = [&](int s, int p, int k) {
vector<ll> vals;
ll sum = 0;
for (int ind : adj[s]) {
int v = a[ind] ^ b[ind] ^ s;
if (v == p) continue;
dfs(v, s, k);
sum += dp[v][0] + w[ind];
vals.push_back(dp[v][1] - dp[v][0] - w[ind]);
}
sort(all(vals));
dp[s][0] = dp[s][1] = INF;
for (int i = 0; i <= min(k, sz(vals)); i++) {
dp[s][0] = min(dp[s][0], sum);
if (i < k) dp[s][1] = min(dp[s][1], sum);
if (i < sz(vals)) sum += vals[i];
}
};
vector<ll> answers(n, 0);
answers[0] = W;
for (int k = 1; k < n; k++) {
dfs(0, 0, k);
answers[k] += dp[0][0];
if(answers[k] == 0) break;
}
return answers;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
256 ms |
588 KB |
Output is correct |
3 |
Correct |
315 ms |
592 KB |
Output is correct |
4 |
Correct |
191 ms |
600 KB |
Output is correct |
5 |
Correct |
2 ms |
204 KB |
Output is correct |
6 |
Correct |
3 ms |
204 KB |
Output is correct |
7 |
Correct |
3 ms |
204 KB |
Output is correct |
8 |
Correct |
154 ms |
544 KB |
Output is correct |
9 |
Correct |
228 ms |
600 KB |
Output is correct |
10 |
Correct |
3 ms |
204 KB |
Output is correct |
11 |
Correct |
3 ms |
320 KB |
Output is correct |
12 |
Execution timed out |
2044 ms |
10120 KB |
Time limit exceeded |
13 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
81 ms |
24960 KB |
Output is correct |
3 |
Correct |
101 ms |
28128 KB |
Output is correct |
4 |
Correct |
130 ms |
30036 KB |
Output is correct |
5 |
Correct |
110 ms |
30012 KB |
Output is correct |
6 |
Correct |
2 ms |
716 KB |
Output is correct |
7 |
Correct |
3 ms |
784 KB |
Output is correct |
8 |
Correct |
2 ms |
716 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
53 ms |
18056 KB |
Output is correct |
13 |
Correct |
87 ms |
29928 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
79 ms |
27056 KB |
Output is correct |
16 |
Correct |
95 ms |
30016 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
2 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
2 ms |
332 KB |
Output is correct |
13 |
Correct |
2 ms |
204 KB |
Output is correct |
14 |
Correct |
3 ms |
204 KB |
Output is correct |
15 |
Correct |
3 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
2 ms |
204 KB |
Output is correct |
19 |
Correct |
2 ms |
204 KB |
Output is correct |
20 |
Correct |
3 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
2 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
2 ms |
332 KB |
Output is correct |
13 |
Correct |
2 ms |
204 KB |
Output is correct |
14 |
Correct |
3 ms |
204 KB |
Output is correct |
15 |
Correct |
3 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
2 ms |
204 KB |
Output is correct |
19 |
Correct |
2 ms |
204 KB |
Output is correct |
20 |
Correct |
3 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
2 ms |
460 KB |
Output is correct |
24 |
Correct |
4 ms |
588 KB |
Output is correct |
25 |
Correct |
3 ms |
460 KB |
Output is correct |
26 |
Correct |
9 ms |
588 KB |
Output is correct |
27 |
Correct |
43 ms |
588 KB |
Output is correct |
28 |
Correct |
34 ms |
588 KB |
Output is correct |
29 |
Correct |
5 ms |
460 KB |
Output is correct |
30 |
Correct |
9 ms |
584 KB |
Output is correct |
31 |
Correct |
12 ms |
568 KB |
Output is correct |
32 |
Correct |
110 ms |
592 KB |
Output is correct |
33 |
Correct |
2 ms |
716 KB |
Output is correct |
34 |
Correct |
3 ms |
844 KB |
Output is correct |
35 |
Correct |
2 ms |
716 KB |
Output is correct |
36 |
Correct |
275 ms |
588 KB |
Output is correct |
37 |
Correct |
312 ms |
588 KB |
Output is correct |
38 |
Correct |
193 ms |
588 KB |
Output is correct |
39 |
Correct |
1 ms |
204 KB |
Output is correct |
40 |
Correct |
1 ms |
204 KB |
Output is correct |
41 |
Correct |
1 ms |
204 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
204 KB |
Output is correct |
45 |
Correct |
1 ms |
204 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
1 ms |
332 KB |
Output is correct |
48 |
Correct |
1 ms |
332 KB |
Output is correct |
49 |
Correct |
1 ms |
332 KB |
Output is correct |
50 |
Correct |
2 ms |
204 KB |
Output is correct |
51 |
Correct |
3 ms |
204 KB |
Output is correct |
52 |
Correct |
3 ms |
204 KB |
Output is correct |
53 |
Correct |
4 ms |
460 KB |
Output is correct |
54 |
Correct |
4 ms |
460 KB |
Output is correct |
55 |
Correct |
57 ms |
588 KB |
Output is correct |
56 |
Correct |
150 ms |
544 KB |
Output is correct |
57 |
Correct |
224 ms |
596 KB |
Output is correct |
58 |
Correct |
1 ms |
204 KB |
Output is correct |
59 |
Correct |
1 ms |
204 KB |
Output is correct |
60 |
Correct |
1 ms |
204 KB |
Output is correct |
61 |
Correct |
3 ms |
320 KB |
Output is correct |
62 |
Correct |
3 ms |
204 KB |
Output is correct |
63 |
Correct |
1 ms |
204 KB |
Output is correct |
64 |
Correct |
3 ms |
460 KB |
Output is correct |
65 |
Correct |
4 ms |
460 KB |
Output is correct |
66 |
Correct |
9 ms |
460 KB |
Output is correct |
67 |
Correct |
112 ms |
588 KB |
Output is correct |
68 |
Correct |
7 ms |
588 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
384 ms |
14108 KB |
Output is correct |
2 |
Correct |
449 ms |
13840 KB |
Output is correct |
3 |
Execution timed out |
2065 ms |
15044 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
384 ms |
14108 KB |
Output is correct |
2 |
Correct |
449 ms |
13840 KB |
Output is correct |
3 |
Execution timed out |
2065 ms |
15044 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
256 ms |
588 KB |
Output is correct |
3 |
Correct |
315 ms |
592 KB |
Output is correct |
4 |
Correct |
191 ms |
600 KB |
Output is correct |
5 |
Correct |
2 ms |
204 KB |
Output is correct |
6 |
Correct |
3 ms |
204 KB |
Output is correct |
7 |
Correct |
3 ms |
204 KB |
Output is correct |
8 |
Correct |
154 ms |
544 KB |
Output is correct |
9 |
Correct |
228 ms |
600 KB |
Output is correct |
10 |
Correct |
3 ms |
204 KB |
Output is correct |
11 |
Correct |
3 ms |
320 KB |
Output is correct |
12 |
Execution timed out |
2044 ms |
10120 KB |
Time limit exceeded |
13 |
Halted |
0 ms |
0 KB |
- |