#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
void SolvePath(int root, int endpoint, vector<int> &path) { // sorting algorithm to solve path subproblem
stable_sort(begin(path), end(path), [&](int l, int r) {
if (l == root) return true;
if (l == endpoint) return false;
if (r == root) return false;
if (r == endpoint) return true;
return Query(root, l, r) == l; // l is the nearer one to root
});
for (int i = 1; i < (int) path.size(); i++) {
Bridge(min(path[i - 1], path[i]), max(path[i - 1], path[i]));
}
}
void SolveTree(int root, vector<int> &nodes) {
if (nodes.empty()) return;
shuffle(begin(nodes), end(nodes), rnd);
int endpoint = nodes.back();
nodes.pop_back();
map<int, vector<int>> S;
vector<int> path = {root, endpoint};
for (auto &v : nodes) {
int q = Query(root, endpoint, v);
if (v == q) {
path.emplace_back(v);
} else {
S[q].emplace_back(v);
}
}
nodes.clear();
nodes.shrink_to_fit();
SolvePath(root, endpoint, path);
for (auto &v : path) {
SolveTree(v, S[v]);
}
}
void Solve(int N) {
int root = rnd() % N;
vector<int> nodes;
for (int i = 0; i < N; i++) {
if (i == root) continue;
nodes.emplace_back(i);
}
return SolveTree(root, nodes);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
432 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
432 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
512 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
432 KB |
Output is correct |
10 |
Correct |
4 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
4 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
512 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
5 ms |
384 KB |
Output is correct |
27 |
Correct |
11 ms |
384 KB |
Output is correct |
28 |
Correct |
10 ms |
384 KB |
Output is correct |
29 |
Correct |
9 ms |
384 KB |
Output is correct |
30 |
Correct |
9 ms |
384 KB |
Output is correct |
31 |
Correct |
9 ms |
384 KB |
Output is correct |
32 |
Correct |
13 ms |
456 KB |
Output is correct |
33 |
Correct |
17 ms |
384 KB |
Output is correct |
34 |
Correct |
21 ms |
384 KB |
Output is correct |
35 |
Correct |
19 ms |
384 KB |
Output is correct |
36 |
Correct |
9 ms |
384 KB |
Output is correct |
37 |
Correct |
15 ms |
512 KB |
Output is correct |
38 |
Correct |
17 ms |
384 KB |
Output is correct |
39 |
Correct |
11 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
474 ms |
608 KB |
Output is correct |
2 |
Correct |
587 ms |
632 KB |
Output is correct |
3 |
Correct |
498 ms |
760 KB |
Output is correct |
4 |
Correct |
588 ms |
764 KB |
Output is correct |
5 |
Correct |
420 ms |
764 KB |
Output is correct |
6 |
Correct |
375 ms |
632 KB |
Output is correct |
7 |
Correct |
719 ms |
640 KB |
Output is correct |
8 |
Correct |
754 ms |
760 KB |
Output is correct |
9 |
Correct |
719 ms |
760 KB |
Output is correct |
10 |
Correct |
677 ms |
760 KB |
Output is correct |
11 |
Correct |
804 ms |
632 KB |
Output is correct |
12 |
Correct |
509 ms |
760 KB |
Output is correct |
13 |
Correct |
259 ms |
632 KB |
Output is correct |
14 |
Correct |
435 ms |
632 KB |
Output is correct |
15 |
Correct |
470 ms |
820 KB |
Output is correct |
16 |
Correct |
517 ms |
636 KB |
Output is correct |
17 |
Correct |
706 ms |
636 KB |
Output is correct |
18 |
Correct |
494 ms |
784 KB |
Output is correct |
19 |
Correct |
503 ms |
632 KB |
Output is correct |
20 |
Correct |
538 ms |
632 KB |
Output is correct |
21 |
Correct |
529 ms |
760 KB |
Output is correct |
22 |
Correct |
635 ms |
644 KB |
Output is correct |
23 |
Correct |
568 ms |
896 KB |
Output is correct |
24 |
Correct |
581 ms |
760 KB |
Output is correct |
25 |
Correct |
597 ms |
632 KB |
Output is correct |
26 |
Correct |
570 ms |
740 KB |
Output is correct |
27 |
Correct |
569 ms |
900 KB |
Output is correct |
28 |
Correct |
837 ms |
864 KB |
Output is correct |
29 |
Correct |
751 ms |
892 KB |
Output is correct |
30 |
Correct |
853 ms |
992 KB |
Output is correct |
31 |
Correct |
763 ms |
760 KB |
Output is correct |
32 |
Correct |
878 ms |
992 KB |
Output is correct |
33 |
Correct |
696 ms |
888 KB |
Output is correct |
34 |
Correct |
15 ms |
384 KB |
Output is correct |
35 |
Correct |
9 ms |
384 KB |
Output is correct |
36 |
Correct |
11 ms |
384 KB |
Output is correct |
37 |
Correct |
10 ms |
384 KB |
Output is correct |
38 |
Correct |
11 ms |
384 KB |
Output is correct |
39 |
Correct |
13 ms |
384 KB |
Output is correct |
40 |
Correct |
18 ms |
384 KB |
Output is correct |
41 |
Correct |
24 ms |
384 KB |
Output is correct |
42 |
Correct |
18 ms |
384 KB |
Output is correct |
43 |
Correct |
9 ms |
384 KB |
Output is correct |
44 |
Correct |
15 ms |
460 KB |
Output is correct |
45 |
Correct |
17 ms |
384 KB |
Output is correct |
46 |
Correct |
19 ms |
384 KB |
Output is correct |
47 |
Correct |
5 ms |
384 KB |
Output is correct |
48 |
Correct |
5 ms |
384 KB |
Output is correct |
49 |
Correct |
5 ms |
384 KB |
Output is correct |
50 |
Correct |
5 ms |
384 KB |
Output is correct |
51 |
Correct |
5 ms |
384 KB |
Output is correct |
52 |
Correct |
5 ms |
384 KB |
Output is correct |
53 |
Correct |
5 ms |
384 KB |
Output is correct |
54 |
Correct |
5 ms |
384 KB |
Output is correct |
55 |
Correct |
5 ms |
384 KB |
Output is correct |
56 |
Correct |
5 ms |
384 KB |
Output is correct |
57 |
Correct |
5 ms |
384 KB |
Output is correct |
58 |
Correct |
5 ms |
384 KB |
Output is correct |
59 |
Correct |
5 ms |
384 KB |
Output is correct |
60 |
Correct |
4 ms |
384 KB |
Output is correct |
61 |
Correct |
4 ms |
384 KB |
Output is correct |
62 |
Correct |
4 ms |
384 KB |
Output is correct |
63 |
Correct |
4 ms |
384 KB |
Output is correct |
64 |
Correct |
5 ms |
384 KB |
Output is correct |
65 |
Correct |
4 ms |
384 KB |
Output is correct |
66 |
Correct |
4 ms |
384 KB |
Output is correct |
67 |
Correct |
4 ms |
384 KB |
Output is correct |
68 |
Correct |
4 ms |
384 KB |
Output is correct |
69 |
Correct |
4 ms |
384 KB |
Output is correct |
70 |
Correct |
5 ms |
384 KB |
Output is correct |
71 |
Correct |
5 ms |
384 KB |
Output is correct |
72 |
Correct |
4 ms |
384 KB |
Output is correct |