#include "roads.h"
#include <algorithm>
#include <functional>
#include <vector>
#include <utility>
using namespace std;
vector<long long> st1(int N, vector<int> U, vector<int> V, vector<int> W)
{
vector<long long> answer(N);
sort(W.rbegin(), W.rend());
for (int i = N - 1; i >= 1; --i)
answer[i - 1] = answer[i] + W[i - 1];
return answer;
}
vector<long long> st2(int N, vector<int> U, vector<int> V, vector<int> W)
{
long long take = W[0], skip = 0, total = W[0];
for (int i = 1; i < N - 1; i++)
{
long long new_take = min(take, skip) + W[i];
long long new_skip = take;
long long new_total = total + W[i];
take = new_take, skip = new_skip, total = new_total;
}
vector<long long> answer(N);
answer[0] = total;
answer[1] = min(take, skip);
return answer;
}
vector<long long> st3(int N, vector<int> U, vector<int> V, vector<int> W)
{
vector<vector<pair<int, int>>> adj(N);
vector<long long> answer(N);
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]);
answer[0] += W[i];
}
function<pair<long long, long long>(int, int, int)> dfs = [&](int a, int p, int k)
{
long long base = 0;
vector<long long> save_cost;
for (auto [x, w] : adj[a])
if (x != p)
{
auto [lt, le] = dfs(x, a, k);
long long pick = lt, no_pick = le + w;
base += no_pick;
save_cost.push_back(min(0LL, pick - no_pick));
}
sort(save_cost.begin(), save_cost.end());
long long lt = base, le = base;
for (int i = 0; i < (int)save_cost.size(); i++)
{
if (i < k - 1)
lt += save_cost[i];
if (i <= k - 1)
le += save_cost[i];
}
return make_pair(lt, le);
};
for (int i = 1; i < N; i++)
answer[i] = dfs(0, -1, i).second;
return answer;
}
auto st4 = st3;
vector<long long> minimum_closure_costs(int N, vector<int> U, vector<int> V, vector<int> W)
{
auto c1 = [&]()
{
for (int i = 0; i < N - 1; i++)
if (U[i] != 0)
return false;
return true;
};
auto c2 = [&]()
{
for (int i = 0; i < N - 1; i++)
if (U[i] != i || V[i] != i + 1)
return false;
return true;
};
auto c3 = [&]()
{
return N <= 200;
};
auto c4 = [&]()
{
return N <= 200;
};
if (c1())
return st1(N, U, V, W);
if (c2())
return st2(N, U, V, W);
if (c3())
return st3(N, U, V, W);
if (c4())
return st4(N, U, V, W);
return vector<long long>(N);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
280 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
280 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
21 ms |
3276 KB |
Output is correct |
13 |
Correct |
36 ms |
5096 KB |
Output is correct |
14 |
Correct |
41 ms |
4560 KB |
Output is correct |
15 |
Correct |
47 ms |
5016 KB |
Output is correct |
16 |
Correct |
46 ms |
5060 KB |
Output is correct |
17 |
Correct |
43 ms |
5048 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
31 ms |
4652 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
29 ms |
4332 KB |
Output is correct |
3 |
Correct |
41 ms |
4732 KB |
Output is correct |
4 |
Correct |
37 ms |
4888 KB |
Output is correct |
5 |
Correct |
36 ms |
4880 KB |
Output is correct |
6 |
Correct |
1 ms |
292 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
328 KB |
Output is correct |
9 |
Correct |
0 ms |
276 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
18 ms |
3148 KB |
Output is correct |
13 |
Correct |
33 ms |
4844 KB |
Output is correct |
14 |
Correct |
1 ms |
280 KB |
Output is correct |
15 |
Correct |
30 ms |
4508 KB |
Output is correct |
16 |
Correct |
33 ms |
4932 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
2 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Correct |
2 ms |
208 KB |
Output is correct |
7 |
Correct |
2 ms |
208 KB |
Output is correct |
8 |
Correct |
3 ms |
208 KB |
Output is correct |
9 |
Correct |
2 ms |
208 KB |
Output is correct |
10 |
Correct |
1 ms |
208 KB |
Output is correct |
11 |
Correct |
1 ms |
284 KB |
Output is correct |
12 |
Correct |
1 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
1 ms |
208 KB |
Output is correct |
17 |
Correct |
3 ms |
208 KB |
Output is correct |
18 |
Correct |
2 ms |
280 KB |
Output is correct |
19 |
Correct |
1 ms |
208 KB |
Output is correct |
20 |
Correct |
0 ms |
280 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
2 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Correct |
2 ms |
208 KB |
Output is correct |
7 |
Correct |
2 ms |
208 KB |
Output is correct |
8 |
Correct |
3 ms |
208 KB |
Output is correct |
9 |
Correct |
2 ms |
208 KB |
Output is correct |
10 |
Correct |
1 ms |
208 KB |
Output is correct |
11 |
Correct |
1 ms |
284 KB |
Output is correct |
12 |
Correct |
1 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
1 ms |
208 KB |
Output is correct |
17 |
Correct |
3 ms |
208 KB |
Output is correct |
18 |
Correct |
2 ms |
280 KB |
Output is correct |
19 |
Correct |
1 ms |
208 KB |
Output is correct |
20 |
Correct |
0 ms |
280 KB |
Output is correct |
21 |
Correct |
1 ms |
208 KB |
Output is correct |
22 |
Correct |
0 ms |
208 KB |
Output is correct |
23 |
Incorrect |
1 ms |
296 KB |
Output isn't correct |
24 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
31 ms |
3720 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
31 ms |
3720 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
280 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
280 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
21 ms |
3276 KB |
Output is correct |
13 |
Correct |
36 ms |
5096 KB |
Output is correct |
14 |
Correct |
41 ms |
4560 KB |
Output is correct |
15 |
Correct |
47 ms |
5016 KB |
Output is correct |
16 |
Correct |
46 ms |
5060 KB |
Output is correct |
17 |
Correct |
43 ms |
5048 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
31 ms |
4652 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
29 ms |
4332 KB |
Output is correct |
22 |
Correct |
41 ms |
4732 KB |
Output is correct |
23 |
Correct |
37 ms |
4888 KB |
Output is correct |
24 |
Correct |
36 ms |
4880 KB |
Output is correct |
25 |
Correct |
1 ms |
292 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
328 KB |
Output is correct |
28 |
Correct |
0 ms |
276 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
0 ms |
204 KB |
Output is correct |
31 |
Correct |
18 ms |
3148 KB |
Output is correct |
32 |
Correct |
33 ms |
4844 KB |
Output is correct |
33 |
Correct |
1 ms |
280 KB |
Output is correct |
34 |
Correct |
30 ms |
4508 KB |
Output is correct |
35 |
Correct |
33 ms |
4932 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
0 ms |
204 KB |
Output is correct |
38 |
Correct |
1 ms |
208 KB |
Output is correct |
39 |
Correct |
2 ms |
208 KB |
Output is correct |
40 |
Correct |
2 ms |
208 KB |
Output is correct |
41 |
Correct |
2 ms |
208 KB |
Output is correct |
42 |
Correct |
2 ms |
208 KB |
Output is correct |
43 |
Correct |
3 ms |
208 KB |
Output is correct |
44 |
Correct |
2 ms |
208 KB |
Output is correct |
45 |
Correct |
1 ms |
208 KB |
Output is correct |
46 |
Correct |
1 ms |
284 KB |
Output is correct |
47 |
Correct |
1 ms |
208 KB |
Output is correct |
48 |
Correct |
1 ms |
208 KB |
Output is correct |
49 |
Correct |
1 ms |
208 KB |
Output is correct |
50 |
Correct |
1 ms |
208 KB |
Output is correct |
51 |
Correct |
1 ms |
208 KB |
Output is correct |
52 |
Correct |
3 ms |
208 KB |
Output is correct |
53 |
Correct |
2 ms |
280 KB |
Output is correct |
54 |
Correct |
1 ms |
208 KB |
Output is correct |
55 |
Correct |
0 ms |
280 KB |
Output is correct |
56 |
Correct |
1 ms |
208 KB |
Output is correct |
57 |
Correct |
0 ms |
208 KB |
Output is correct |
58 |
Incorrect |
1 ms |
296 KB |
Output isn't correct |
59 |
Halted |
0 ms |
0 KB |
- |