#include <bits/stdc++.h>
#include "meetings.h"
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
void Ans(int a, int b) {
if (a > b) swap(a, b);
Bridge(a, b);
}
void Solve(vector<int> v) {
if ((int)v.size() <= 2) {
Ans(v[0], v[1]);
return;
}
shuffle(v.begin(), v.end(), rng);
vector<int> path;
map<int, vector<int>> subtree;
int root = v[0];
int aux = v[1];
for (int i = 2; i < (int)v.size(); ++i) {
int ans = Query(root, aux, v[i]);
if (ans == v[i]) {
path.emplace_back(v[i]);
} else {
subtree[ans].emplace_back(v[i]);
}
}
sort(path.begin(), path.end(), [&](int a, int b) {
return Query(root, a, b) == a;
});
if (!path.empty()) {
Ans(root, path[0]);
for (int i = 0; i + 1 < (int)path.size(); ++i) {
Ans(path[i], path[i + 1]);
}
Ans(path.back(), aux);
} else {
Ans(root, aux);
}
for (auto p : subtree) {
p.second.emplace_back(p.first);
Solve(p.second);
}
}
void Solve(int n) {
vector<int> v(n);
iota(v.begin(), v.end(), 0);
Solve(v);
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 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 |
5 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 |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
4 ms |
384 KB |
Output is correct |
| 12 |
Correct |
4 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 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 |
5 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 |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
4 ms |
384 KB |
Output is correct |
| 12 |
Correct |
4 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
4 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 |
4 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 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 |
5 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 |
5 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 |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
4 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
4 ms |
384 KB |
Output is correct |
| 12 |
Correct |
4 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
4 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 |
4 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 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 |
9 ms |
384 KB |
Output is correct |
| 28 |
Correct |
10 ms |
384 KB |
Output is correct |
| 29 |
Correct |
9 ms |
512 KB |
Output is correct |
| 30 |
Correct |
9 ms |
384 KB |
Output is correct |
| 31 |
Correct |
9 ms |
384 KB |
Output is correct |
| 32 |
Correct |
11 ms |
512 KB |
Output is correct |
| 33 |
Correct |
13 ms |
512 KB |
Output is correct |
| 34 |
Correct |
13 ms |
384 KB |
Output is correct |
| 35 |
Correct |
12 ms |
384 KB |
Output is correct |
| 36 |
Correct |
10 ms |
384 KB |
Output is correct |
| 37 |
Correct |
12 ms |
384 KB |
Output is correct |
| 38 |
Correct |
16 ms |
384 KB |
Output is correct |
| 39 |
Correct |
15 ms |
512 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
352 ms |
760 KB |
Output is correct |
| 2 |
Correct |
491 ms |
860 KB |
Output is correct |
| 3 |
Correct |
514 ms |
760 KB |
Output is correct |
| 4 |
Correct |
458 ms |
892 KB |
Output is correct |
| 5 |
Correct |
366 ms |
760 KB |
Output is correct |
| 6 |
Correct |
349 ms |
760 KB |
Output is correct |
| 7 |
Correct |
431 ms |
672 KB |
Output is correct |
| 8 |
Correct |
472 ms |
760 KB |
Output is correct |
| 9 |
Correct |
444 ms |
760 KB |
Output is correct |
| 10 |
Correct |
441 ms |
812 KB |
Output is correct |
| 11 |
Correct |
490 ms |
760 KB |
Output is correct |
| 12 |
Correct |
599 ms |
888 KB |
Output is correct |
| 13 |
Correct |
287 ms |
760 KB |
Output is correct |
| 14 |
Correct |
348 ms |
632 KB |
Output is correct |
| 15 |
Correct |
325 ms |
760 KB |
Output is correct |
| 16 |
Correct |
364 ms |
760 KB |
Output is correct |
| 17 |
Correct |
475 ms |
888 KB |
Output is correct |
| 18 |
Correct |
282 ms |
640 KB |
Output is correct |
| 19 |
Correct |
263 ms |
632 KB |
Output is correct |
| 20 |
Correct |
395 ms |
912 KB |
Output is correct |
| 21 |
Correct |
474 ms |
760 KB |
Output is correct |
| 22 |
Correct |
343 ms |
768 KB |
Output is correct |
| 23 |
Correct |
406 ms |
888 KB |
Output is correct |
| 24 |
Correct |
378 ms |
632 KB |
Output is correct |
| 25 |
Correct |
366 ms |
760 KB |
Output is correct |
| 26 |
Correct |
295 ms |
632 KB |
Output is correct |
| 27 |
Correct |
454 ms |
632 KB |
Output is correct |
| 28 |
Correct |
474 ms |
760 KB |
Output is correct |
| 29 |
Correct |
408 ms |
888 KB |
Output is correct |
| 30 |
Correct |
406 ms |
632 KB |
Output is correct |
| 31 |
Correct |
455 ms |
888 KB |
Output is correct |
| 32 |
Correct |
956 ms |
760 KB |
Output is correct |
| 33 |
Correct |
576 ms |
760 KB |
Output is correct |
| 34 |
Correct |
10 ms |
384 KB |
Output is correct |
| 35 |
Correct |
8 ms |
384 KB |
Output is correct |
| 36 |
Correct |
8 ms |
384 KB |
Output is correct |
| 37 |
Correct |
8 ms |
384 KB |
Output is correct |
| 38 |
Correct |
11 ms |
384 KB |
Output is correct |
| 39 |
Correct |
10 ms |
384 KB |
Output is correct |
| 40 |
Correct |
12 ms |
512 KB |
Output is correct |
| 41 |
Correct |
14 ms |
384 KB |
Output is correct |
| 42 |
Correct |
13 ms |
512 KB |
Output is correct |
| 43 |
Correct |
9 ms |
384 KB |
Output is correct |
| 44 |
Correct |
14 ms |
640 KB |
Output is correct |
| 45 |
Correct |
11 ms |
384 KB |
Output is correct |
| 46 |
Correct |
14 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 |
512 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 |
4 ms |
384 KB |
Output is correct |
| 71 |
Correct |
4 ms |
384 KB |
Output is correct |
| 72 |
Correct |
4 ms |
384 KB |
Output is correct |
