#include "roads.h"
#include <algorithm>
#include <iostream>
#include <numeric>
#include <cassert>
#include <vector>
typedef long long llong;
const int MAXN = 2000 + 10;
const llong INF = 1e18;
const int INTINF = 1e9;
int n;
std::vector <std::pair <int,int>> g[MAXN];
bool bl[MAXN][MAXN][2];
llong dp[MAXN][MAXN][2];
void firstDFS(int node, int par)
{
for (auto &curr : g[node])
{
if (curr.first == par)
{
std::swap(curr, g[node].back());
g[node].pop_back();
break;
}
}
for (const auto &[u, w] : g[node])
{
firstDFS(u, node);
}
}
llong f(int node, int k, bool k2)
{
// if (k == 1) std::cout << "call: " << node << ' ' << g[node].size() << ' ' << k << '\n';
if (g[node].empty())
{
return 0;
}
if (bl[node][k][k2])
{
return dp[node][k][k2];
}
bl[node][k][k2] = true;
std::vector <llong> vals;
for (const auto &[u, w] : g[node])
{
dp[node][k][k2] += w + f(u, k + k2, false);
vals.push_back(f(u, k + k2 - 1, true) - (w + f(u, k + k2, false)));
}
std::sort(vals.begin(), vals.end());
for (int i = 0 ; i < std::min((int)vals.size(), k) ; ++i)
{
if (vals[i] >= 0) break;
dp[node][k][k2] += vals[i];
}
return dp[node][k][k2];
}
std::vector <llong> minimum_closure_costs(int N, std::vector <int> U, std::vector <int> V, std::vector <int> W)
{
n = N;
for (int i = 0 ; i < n - 1 ; ++i)
{
g[U[i] + 1].push_back({V[i] + 1, W[i]});
g[V[i] + 1].push_back({U[i] + 1, W[i]});
}
firstDFS(1, 0);
std::vector <llong> ans(n);
for (int i = 0 ; i < n ; ++i)
{
ans[i] = f(1, i, false);
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
152 ms |
668 KB |
Output is correct |
3 |
Correct |
186 ms |
800 KB |
Output is correct |
4 |
Correct |
83 ms |
708 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 |
74 ms |
932 KB |
Output is correct |
9 |
Correct |
99 ms |
688 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Runtime error |
15 ms |
4004 KB |
Execution killed with signal 11 |
13 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Runtime error |
22 ms |
4556 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
3 ms |
7084 KB |
Output is correct |
5 |
Correct |
4 ms |
7192 KB |
Output is correct |
6 |
Correct |
3 ms |
6492 KB |
Output is correct |
7 |
Correct |
4 ms |
7004 KB |
Output is correct |
8 |
Correct |
4 ms |
7004 KB |
Output is correct |
9 |
Correct |
4 ms |
7004 KB |
Output is correct |
10 |
Correct |
4 ms |
7256 KB |
Output is correct |
11 |
Correct |
4 ms |
7260 KB |
Output is correct |
12 |
Correct |
4 ms |
7260 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 |
348 KB |
Output is correct |
16 |
Correct |
2 ms |
4700 KB |
Output is correct |
17 |
Correct |
4 ms |
7136 KB |
Output is correct |
18 |
Correct |
4 ms |
7004 KB |
Output is correct |
19 |
Correct |
2 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
3 ms |
7084 KB |
Output is correct |
5 |
Correct |
4 ms |
7192 KB |
Output is correct |
6 |
Correct |
3 ms |
6492 KB |
Output is correct |
7 |
Correct |
4 ms |
7004 KB |
Output is correct |
8 |
Correct |
4 ms |
7004 KB |
Output is correct |
9 |
Correct |
4 ms |
7004 KB |
Output is correct |
10 |
Correct |
4 ms |
7256 KB |
Output is correct |
11 |
Correct |
4 ms |
7260 KB |
Output is correct |
12 |
Correct |
4 ms |
7260 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 |
348 KB |
Output is correct |
16 |
Correct |
2 ms |
4700 KB |
Output is correct |
17 |
Correct |
4 ms |
7136 KB |
Output is correct |
18 |
Correct |
4 ms |
7004 KB |
Output is correct |
19 |
Correct |
2 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
178 ms |
43184 KB |
Output is correct |
24 |
Correct |
391 ms |
69988 KB |
Output is correct |
25 |
Correct |
299 ms |
61668 KB |
Output is correct |
26 |
Correct |
284 ms |
67428 KB |
Output is correct |
27 |
Correct |
219 ms |
11020 KB |
Output is correct |
28 |
Correct |
159 ms |
12888 KB |
Output is correct |
29 |
Correct |
314 ms |
65364 KB |
Output is correct |
30 |
Correct |
193 ms |
44040 KB |
Output is correct |
31 |
Correct |
200 ms |
60732 KB |
Output is correct |
32 |
Correct |
165 ms |
27488 KB |
Output is correct |
33 |
Correct |
280 ms |
63324 KB |
Output is correct |
34 |
Correct |
369 ms |
71496 KB |
Output is correct |
35 |
Correct |
290 ms |
65728 KB |
Output is correct |
36 |
Correct |
158 ms |
600 KB |
Output is correct |
37 |
Correct |
191 ms |
712 KB |
Output is correct |
38 |
Correct |
86 ms |
1212 KB |
Output is correct |
39 |
Correct |
1 ms |
348 KB |
Output is correct |
40 |
Correct |
0 ms |
348 KB |
Output is correct |
41 |
Correct |
3 ms |
7004 KB |
Output is correct |
42 |
Correct |
5 ms |
7004 KB |
Output is correct |
43 |
Correct |
3 ms |
6492 KB |
Output is correct |
44 |
Correct |
4 ms |
7004 KB |
Output is correct |
45 |
Correct |
4 ms |
7004 KB |
Output is correct |
46 |
Correct |
4 ms |
6944 KB |
Output is correct |
47 |
Correct |
3 ms |
7260 KB |
Output is correct |
48 |
Correct |
4 ms |
7260 KB |
Output is correct |
49 |
Correct |
4 ms |
7260 KB |
Output is correct |
50 |
Correct |
1 ms |
348 KB |
Output is correct |
51 |
Correct |
1 ms |
492 KB |
Output is correct |
52 |
Correct |
1 ms |
348 KB |
Output is correct |
53 |
Correct |
229 ms |
54872 KB |
Output is correct |
54 |
Correct |
392 ms |
69916 KB |
Output is correct |
55 |
Correct |
194 ms |
11168 KB |
Output is correct |
56 |
Correct |
65 ms |
600 KB |
Output is correct |
57 |
Correct |
100 ms |
700 KB |
Output is correct |
58 |
Correct |
2 ms |
4700 KB |
Output is correct |
59 |
Correct |
4 ms |
7156 KB |
Output is correct |
60 |
Correct |
4 ms |
7004 KB |
Output is correct |
61 |
Correct |
1 ms |
348 KB |
Output is correct |
62 |
Correct |
1 ms |
348 KB |
Output is correct |
63 |
Correct |
1 ms |
348 KB |
Output is correct |
64 |
Correct |
529 ms |
68944 KB |
Output is correct |
65 |
Correct |
373 ms |
69804 KB |
Output is correct |
66 |
Correct |
169 ms |
56604 KB |
Output is correct |
67 |
Correct |
154 ms |
23320 KB |
Output is correct |
68 |
Correct |
174 ms |
46420 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
22 ms |
5232 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
22 ms |
5232 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
152 ms |
668 KB |
Output is correct |
3 |
Correct |
186 ms |
800 KB |
Output is correct |
4 |
Correct |
83 ms |
708 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 |
74 ms |
932 KB |
Output is correct |
9 |
Correct |
99 ms |
688 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Runtime error |
15 ms |
4004 KB |
Execution killed with signal 11 |
13 |
Halted |
0 ms |
0 KB |
- |