#include "roads.h"
#include <bits/stdc++.h>
using namespace std;
#define all(x) begin(x), end(x)
typedef long long ll;
const int N = 2001;
int A[N], B[N], W[N], n;
ll dp[N][2];
int k;
vector <pair<int, int>> g[N];
void dfs(int v, int p) {
vector<pair<int, int>> adj;
for (auto [to, w]: g[v]) {
if (to != p) {
dfs(to, v);
adj.emplace_back(to, w);
}
}
if (k > (int) size(adj)) {
vector<ll> nw;
ll ans = 0;
for (auto [to, w]: adj) {
ans += dp[to][0] + w;
nw.push_back(dp[to][1] - dp[to][0] - w);
}
sort(all(nw));
for (int i = 0; i < (int) size(nw); ++i) {
if (nw[i] < 0)
ans += nw[i];
}
dp[v][1] = dp[v][0] = ans;
} else {
vector<ll> nw;
ll ans = 0;
for (auto [to, w]: adj) {
ans += dp[to][0] + w;
nw.push_back(dp[to][1] - dp[to][0] - w);
}
sort(all(nw));
ll added = 0;
for (int i = 0; i < k - 1; ++i) {
if (nw[i] < 0)
added += nw[i];
}
dp[v][1] = ans + added;
added = 0;
for (int i = 0; i < k; ++i) {
added += nw[i];
}
dp[v][0] = min(dp[v][1], ans + added);
}
}
vector <ll> minimum_closure_costs(int nn, vector<int> uu, vector<int> vv, vector<int> ww) {
n = nn;
for (int i = 0; i < n - 1; ++i) {
A[i] = uu[i], B[i] = vv[i], W[i] = ww[i];
g[A[i]].emplace_back(B[i], W[i]);
g[B[i]].emplace_back(A[i], W[i]);
}
vector<ll> ans;
for (k = 0; k < n; ++k) {
dfs(0, -1);
ans.push_back(dp[0][0]);
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
183 ms |
688 KB |
Output is correct |
3 |
Correct |
188 ms |
568 KB |
Output is correct |
4 |
Correct |
78 ms |
588 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
87 ms |
560 KB |
Output is correct |
9 |
Correct |
120 ms |
588 KB |
Output is correct |
10 |
Correct |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
2 ms |
340 KB |
Output is correct |
12 |
Runtime error |
17 ms |
3372 KB |
Execution killed with signal 11 |
13 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Runtime error |
27 ms |
4820 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
2 ms |
340 KB |
Output is correct |
5 |
Correct |
4 ms |
360 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
4 ms |
340 KB |
Output is correct |
8 |
Correct |
4 ms |
340 KB |
Output is correct |
9 |
Correct |
4 ms |
340 KB |
Output is correct |
10 |
Correct |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
4 ms |
340 KB |
Output is correct |
12 |
Correct |
3 ms |
340 KB |
Output is correct |
13 |
Correct |
2 ms |
352 KB |
Output is correct |
14 |
Correct |
2 ms |
352 KB |
Output is correct |
15 |
Correct |
2 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
4 ms |
468 KB |
Output is correct |
18 |
Correct |
3 ms |
340 KB |
Output is correct |
19 |
Correct |
2 ms |
352 KB |
Output is correct |
20 |
Correct |
2 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
2 ms |
340 KB |
Output is correct |
5 |
Correct |
4 ms |
360 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
4 ms |
340 KB |
Output is correct |
8 |
Correct |
4 ms |
340 KB |
Output is correct |
9 |
Correct |
4 ms |
340 KB |
Output is correct |
10 |
Correct |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
4 ms |
340 KB |
Output is correct |
12 |
Correct |
3 ms |
340 KB |
Output is correct |
13 |
Correct |
2 ms |
352 KB |
Output is correct |
14 |
Correct |
2 ms |
352 KB |
Output is correct |
15 |
Correct |
2 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
4 ms |
468 KB |
Output is correct |
18 |
Correct |
3 ms |
340 KB |
Output is correct |
19 |
Correct |
2 ms |
352 KB |
Output is correct |
20 |
Correct |
2 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
134 ms |
508 KB |
Output is correct |
24 |
Correct |
372 ms |
572 KB |
Output is correct |
25 |
Correct |
249 ms |
520 KB |
Output is correct |
26 |
Correct |
245 ms |
560 KB |
Output is correct |
27 |
Correct |
186 ms |
608 KB |
Output is correct |
28 |
Correct |
89 ms |
588 KB |
Output is correct |
29 |
Correct |
285 ms |
560 KB |
Output is correct |
30 |
Correct |
149 ms |
580 KB |
Output is correct |
31 |
Correct |
171 ms |
588 KB |
Output is correct |
32 |
Correct |
87 ms |
584 KB |
Output is correct |
33 |
Correct |
174 ms |
808 KB |
Output is correct |
34 |
Correct |
226 ms |
852 KB |
Output is correct |
35 |
Correct |
226 ms |
824 KB |
Output is correct |
36 |
Correct |
154 ms |
596 KB |
Output is correct |
37 |
Correct |
188 ms |
732 KB |
Output is correct |
38 |
Correct |
113 ms |
600 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
2 ms |
340 KB |
Output is correct |
42 |
Correct |
4 ms |
340 KB |
Output is correct |
43 |
Correct |
2 ms |
340 KB |
Output is correct |
44 |
Correct |
3 ms |
340 KB |
Output is correct |
45 |
Correct |
3 ms |
340 KB |
Output is correct |
46 |
Correct |
3 ms |
340 KB |
Output is correct |
47 |
Correct |
2 ms |
340 KB |
Output is correct |
48 |
Correct |
2 ms |
340 KB |
Output is correct |
49 |
Correct |
3 ms |
340 KB |
Output is correct |
50 |
Correct |
1 ms |
360 KB |
Output is correct |
51 |
Correct |
2 ms |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
229 ms |
516 KB |
Output is correct |
54 |
Correct |
347 ms |
572 KB |
Output is correct |
55 |
Correct |
134 ms |
584 KB |
Output is correct |
56 |
Correct |
88 ms |
580 KB |
Output is correct |
57 |
Correct |
117 ms |
596 KB |
Output is correct |
58 |
Correct |
2 ms |
340 KB |
Output is correct |
59 |
Correct |
4 ms |
340 KB |
Output is correct |
60 |
Correct |
3 ms |
340 KB |
Output is correct |
61 |
Correct |
2 ms |
340 KB |
Output is correct |
62 |
Correct |
1 ms |
356 KB |
Output is correct |
63 |
Correct |
1 ms |
356 KB |
Output is correct |
64 |
Correct |
334 ms |
564 KB |
Output is correct |
65 |
Correct |
349 ms |
676 KB |
Output is correct |
66 |
Correct |
124 ms |
596 KB |
Output is correct |
67 |
Correct |
92 ms |
572 KB |
Output is correct |
68 |
Correct |
124 ms |
568 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
27 ms |
5124 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
27 ms |
5124 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
183 ms |
688 KB |
Output is correct |
3 |
Correct |
188 ms |
568 KB |
Output is correct |
4 |
Correct |
78 ms |
588 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
87 ms |
560 KB |
Output is correct |
9 |
Correct |
120 ms |
588 KB |
Output is correct |
10 |
Correct |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
2 ms |
340 KB |
Output is correct |
12 |
Runtime error |
17 ms |
3372 KB |
Execution killed with signal 11 |
13 |
Halted |
0 ms |
0 KB |
- |