#include "roads.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int INF = 1e18;
const int MAXN = 1e5;
vector<pair<int, int>> adj[MAXN];
bool seen[MAXN];
// [withPar, withoutPar]
pair<int, int> dfs(int u, int p, int maxDeg) {
assert(!seen[u]);
seen[u] = true;
int coutInit = 0;
vector<int> swaps;
for (auto [v, w] : adj[u])
if (v != p) {
if ((int)adj[v].size() <= maxDeg) {
swaps.push_back(w);
continue;
}
auto [withPar, withoutPar] = dfs(v, u, maxDeg);
coutInit += withPar;
assert(coutInit < INF);
swaps.push_back(withoutPar + w - withPar);
}
sort(swaps.begin(), swaps.end());
// withPar :
int toRem = adj[u].size() - maxDeg;
int withPar = INF;
if (toRem <= 0)
withPar = coutInit;
int accu = coutInit;
for (int i = 0; i < (int)swaps.size(); ++i) {
accu += swaps[i];
if (i + 1 >= toRem)
withPar = min(withPar, accu);
}
// withoutPar
toRem = adj[u].size() - maxDeg - (u != p);
int withoutPar = INF;
if (toRem <= 0)
withoutPar = coutInit;
accu = coutInit;
for (int i = 0; i < (int)swaps.size(); ++i) {
accu += swaps[i];
if (i + 1 >= toRem)
withoutPar = min(withoutPar, accu);
}
return pair(withPar, withoutPar);
}
vector<int> minimum_closure_costs(signed N, vector<signed> U, vector<signed> V,
vector<signed> W) {
for (int i = 0; i < N - 1; ++i) {
adj[U[i]].emplace_back(V[i], W[i]);
adj[V[i]].emplace_back(U[i], W[i]);
}
vector<int> order(N);
iota(order.begin(), order.end(), 0LL);
sort(order.begin(), order.end(),
[&](int i, int j) { return adj[i].size() > adj[j].size(); });
vector<int> ret(N);
ret[0] = accumulate(W.begin(), W.end(), 0LL);
for (int k = 1; k < N; ++k) {
for (int i : order) {
if ((int)adj[i].size() <= k)
break;
if (!seen[i])
ret[k] += dfs(i, i, k).first;
}
for (int i : order) {
if ((int)adj[i].size() <= k)
break;
seen[i] = false;
}
}
return ret;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2636 KB |
Output is correct |
2 |
Correct |
133 ms |
2824 KB |
Output is correct |
3 |
Correct |
156 ms |
2832 KB |
Output is correct |
4 |
Correct |
55 ms |
2832 KB |
Output is correct |
5 |
Correct |
2 ms |
2636 KB |
Output is correct |
6 |
Correct |
3 ms |
2636 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
52 ms |
2812 KB |
Output is correct |
9 |
Correct |
94 ms |
2828 KB |
Output is correct |
10 |
Correct |
3 ms |
2636 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Execution timed out |
2078 ms |
8964 KB |
Time limit exceeded |
13 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
78 ms |
17572 KB |
Output is correct |
3 |
Correct |
66 ms |
21568 KB |
Output is correct |
4 |
Correct |
63 ms |
22856 KB |
Output is correct |
5 |
Correct |
65 ms |
22856 KB |
Output is correct |
6 |
Correct |
2 ms |
2896 KB |
Output is correct |
7 |
Correct |
3 ms |
3024 KB |
Output is correct |
8 |
Correct |
3 ms |
2896 KB |
Output is correct |
9 |
Correct |
2 ms |
2640 KB |
Output is correct |
10 |
Correct |
3 ms |
2640 KB |
Output is correct |
11 |
Correct |
2 ms |
2656 KB |
Output is correct |
12 |
Correct |
37 ms |
14280 KB |
Output is correct |
13 |
Correct |
57 ms |
22124 KB |
Output is correct |
14 |
Correct |
2 ms |
2640 KB |
Output is correct |
15 |
Correct |
60 ms |
20240 KB |
Output is correct |
16 |
Correct |
58 ms |
22088 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
2 ms |
2636 KB |
Output is correct |
3 |
Correct |
2 ms |
2636 KB |
Output is correct |
4 |
Correct |
2 ms |
2636 KB |
Output is correct |
5 |
Correct |
2 ms |
2636 KB |
Output is correct |
6 |
Correct |
2 ms |
2636 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2636 KB |
Output is correct |
9 |
Correct |
2 ms |
2636 KB |
Output is correct |
10 |
Correct |
2 ms |
2636 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Correct |
2 ms |
2636 KB |
Output is correct |
13 |
Correct |
2 ms |
2636 KB |
Output is correct |
14 |
Correct |
2 ms |
2636 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
2 ms |
2636 KB |
Output is correct |
17 |
Correct |
2 ms |
2724 KB |
Output is correct |
18 |
Correct |
2 ms |
2636 KB |
Output is correct |
19 |
Correct |
2 ms |
2636 KB |
Output is correct |
20 |
Correct |
2 ms |
2636 KB |
Output is correct |
21 |
Correct |
2 ms |
2636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
2 ms |
2636 KB |
Output is correct |
3 |
Correct |
2 ms |
2636 KB |
Output is correct |
4 |
Correct |
2 ms |
2636 KB |
Output is correct |
5 |
Correct |
2 ms |
2636 KB |
Output is correct |
6 |
Correct |
2 ms |
2636 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2636 KB |
Output is correct |
9 |
Correct |
2 ms |
2636 KB |
Output is correct |
10 |
Correct |
2 ms |
2636 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Correct |
2 ms |
2636 KB |
Output is correct |
13 |
Correct |
2 ms |
2636 KB |
Output is correct |
14 |
Correct |
2 ms |
2636 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
2 ms |
2636 KB |
Output is correct |
17 |
Correct |
2 ms |
2724 KB |
Output is correct |
18 |
Correct |
2 ms |
2636 KB |
Output is correct |
19 |
Correct |
2 ms |
2636 KB |
Output is correct |
20 |
Correct |
2 ms |
2636 KB |
Output is correct |
21 |
Correct |
2 ms |
2636 KB |
Output is correct |
22 |
Correct |
1 ms |
2636 KB |
Output is correct |
23 |
Correct |
2 ms |
2764 KB |
Output is correct |
24 |
Correct |
3 ms |
2764 KB |
Output is correct |
25 |
Correct |
3 ms |
2764 KB |
Output is correct |
26 |
Correct |
4 ms |
2796 KB |
Output is correct |
27 |
Correct |
21 ms |
2860 KB |
Output is correct |
28 |
Correct |
10 ms |
2764 KB |
Output is correct |
29 |
Correct |
3 ms |
2764 KB |
Output is correct |
30 |
Correct |
6 ms |
2764 KB |
Output is correct |
31 |
Correct |
5 ms |
2764 KB |
Output is correct |
32 |
Correct |
19 ms |
2844 KB |
Output is correct |
33 |
Correct |
3 ms |
2892 KB |
Output is correct |
34 |
Correct |
2 ms |
2892 KB |
Output is correct |
35 |
Correct |
3 ms |
2892 KB |
Output is correct |
36 |
Correct |
136 ms |
2820 KB |
Output is correct |
37 |
Correct |
158 ms |
2832 KB |
Output is correct |
38 |
Correct |
59 ms |
2840 KB |
Output is correct |
39 |
Correct |
2 ms |
2636 KB |
Output is correct |
40 |
Correct |
2 ms |
2636 KB |
Output is correct |
41 |
Correct |
2 ms |
2636 KB |
Output is correct |
42 |
Correct |
2 ms |
2636 KB |
Output is correct |
43 |
Correct |
2 ms |
2636 KB |
Output is correct |
44 |
Correct |
3 ms |
2636 KB |
Output is correct |
45 |
Correct |
2 ms |
2636 KB |
Output is correct |
46 |
Correct |
2 ms |
2636 KB |
Output is correct |
47 |
Correct |
2 ms |
2636 KB |
Output is correct |
48 |
Correct |
1 ms |
2636 KB |
Output is correct |
49 |
Correct |
1 ms |
2636 KB |
Output is correct |
50 |
Correct |
2 ms |
2636 KB |
Output is correct |
51 |
Correct |
2 ms |
2636 KB |
Output is correct |
52 |
Correct |
2 ms |
2636 KB |
Output is correct |
53 |
Correct |
3 ms |
2764 KB |
Output is correct |
54 |
Correct |
3 ms |
2764 KB |
Output is correct |
55 |
Correct |
16 ms |
2868 KB |
Output is correct |
56 |
Correct |
53 ms |
2764 KB |
Output is correct |
57 |
Correct |
88 ms |
2836 KB |
Output is correct |
58 |
Correct |
2 ms |
2636 KB |
Output is correct |
59 |
Correct |
2 ms |
2636 KB |
Output is correct |
60 |
Correct |
2 ms |
2636 KB |
Output is correct |
61 |
Correct |
3 ms |
2636 KB |
Output is correct |
62 |
Correct |
2 ms |
2636 KB |
Output is correct |
63 |
Correct |
2 ms |
2636 KB |
Output is correct |
64 |
Correct |
3 ms |
2764 KB |
Output is correct |
65 |
Correct |
3 ms |
2764 KB |
Output is correct |
66 |
Correct |
4 ms |
2764 KB |
Output is correct |
67 |
Correct |
18 ms |
2836 KB |
Output is correct |
68 |
Correct |
4 ms |
2764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
78 ms |
11712 KB |
Output is correct |
2 |
Correct |
90 ms |
12872 KB |
Output is correct |
3 |
Correct |
524 ms |
13752 KB |
Output is correct |
4 |
Correct |
82 ms |
13512 KB |
Output is correct |
5 |
Correct |
508 ms |
13736 KB |
Output is correct |
6 |
Execution timed out |
2080 ms |
12744 KB |
Time limit exceeded |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
78 ms |
11712 KB |
Output is correct |
2 |
Correct |
90 ms |
12872 KB |
Output is correct |
3 |
Correct |
524 ms |
13752 KB |
Output is correct |
4 |
Correct |
82 ms |
13512 KB |
Output is correct |
5 |
Correct |
508 ms |
13736 KB |
Output is correct |
6 |
Execution timed out |
2080 ms |
12744 KB |
Time limit exceeded |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2636 KB |
Output is correct |
2 |
Correct |
133 ms |
2824 KB |
Output is correct |
3 |
Correct |
156 ms |
2832 KB |
Output is correct |
4 |
Correct |
55 ms |
2832 KB |
Output is correct |
5 |
Correct |
2 ms |
2636 KB |
Output is correct |
6 |
Correct |
3 ms |
2636 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
52 ms |
2812 KB |
Output is correct |
9 |
Correct |
94 ms |
2828 KB |
Output is correct |
10 |
Correct |
3 ms |
2636 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Execution timed out |
2078 ms |
8964 KB |
Time limit exceeded |
13 |
Halted |
0 ms |
0 KB |
- |