#include "meetings.h"
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
using namespace std;
#define F first
#define S second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define SZ(x) (int)(x).size()
mt19937 rnd(228);
int root, n;
bool cmp(int u, int v) {
if (u == v) {
return false;
}
return Query(root, u, v) == u;
}
void add(int a, int b) {
if (a > b) {
swap(a, b);
}
Bridge(a, b);
}
void dfs(int v, vector<int> cur) {
int u = cur[rnd() % SZ(cur)];
vector<vector<int>> have(n);
vector<int> on_path;
for (int i = 0; i < SZ(cur); i++) {
int w = cur[i];
if (w != u) {
int x = Query(u, v, w);
if (x == w) {
on_path.pb(w);
}
else {
have[x].pb(w);
}
}
}
root = v;
if (!on_path.empty()) {
stable_sort(all(on_path), cmp);
add(v, on_path[0]);
for (int i = 0; i + 1 < SZ(on_path); i++) {
add(on_path[i], on_path[i + 1]);
}
add(on_path.back(), u);
}
else {
add(u, v);
}
if (!have[v].empty()) {
dfs(v, have[v]);
}
if (!have[u].empty()) {
dfs(u, have[u]);
}
for (int x : on_path) {
if (!have[x].empty()) {
dfs(x, have[x]);
}
}
}
void Solve(int sz) {
n = sz;
int root = rnd() % n;
vector<int> cur;
for (int i = 0; i < n; i++) {
if (i != root) {
cur.pb(i);
}
}
dfs(root, cur);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
248 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
252 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
248 KB |
Output is correct |
| 7 |
Correct |
5 ms |
252 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
248 KB |
Output is correct |
| 10 |
Correct |
4 ms |
248 KB |
Output is correct |
| 11 |
Correct |
5 ms |
248 KB |
Output is correct |
| 12 |
Correct |
5 ms |
248 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
248 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
252 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
248 KB |
Output is correct |
| 7 |
Correct |
5 ms |
252 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
248 KB |
Output is correct |
| 10 |
Correct |
4 ms |
248 KB |
Output is correct |
| 11 |
Correct |
5 ms |
248 KB |
Output is correct |
| 12 |
Correct |
5 ms |
248 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
380 KB |
Output is correct |
| 17 |
Correct |
5 ms |
376 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
376 KB |
Output is correct |
| 24 |
Correct |
5 ms |
376 KB |
Output is correct |
| 25 |
Correct |
5 ms |
376 KB |
Output is correct |
| 26 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
248 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
252 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
248 KB |
Output is correct |
| 7 |
Correct |
5 ms |
252 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
248 KB |
Output is correct |
| 10 |
Correct |
4 ms |
248 KB |
Output is correct |
| 11 |
Correct |
5 ms |
248 KB |
Output is correct |
| 12 |
Correct |
5 ms |
248 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
380 KB |
Output is correct |
| 17 |
Correct |
5 ms |
376 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
376 KB |
Output is correct |
| 24 |
Correct |
5 ms |
376 KB |
Output is correct |
| 25 |
Correct |
5 ms |
376 KB |
Output is correct |
| 26 |
Correct |
5 ms |
376 KB |
Output is correct |
| 27 |
Correct |
9 ms |
504 KB |
Output is correct |
| 28 |
Correct |
9 ms |
504 KB |
Output is correct |
| 29 |
Correct |
10 ms |
376 KB |
Output is correct |
| 30 |
Correct |
10 ms |
504 KB |
Output is correct |
| 31 |
Correct |
8 ms |
380 KB |
Output is correct |
| 32 |
Correct |
11 ms |
504 KB |
Output is correct |
| 33 |
Correct |
15 ms |
508 KB |
Output is correct |
| 34 |
Correct |
16 ms |
632 KB |
Output is correct |
| 35 |
Correct |
15 ms |
632 KB |
Output is correct |
| 36 |
Correct |
9 ms |
376 KB |
Output is correct |
| 37 |
Correct |
16 ms |
376 KB |
Output is correct |
| 38 |
Correct |
14 ms |
436 KB |
Output is correct |
| 39 |
Correct |
11 ms |
508 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
335 ms |
1400 KB |
Output is correct |
| 2 |
Correct |
428 ms |
1400 KB |
Output is correct |
| 3 |
Correct |
436 ms |
1388 KB |
Output is correct |
| 4 |
Correct |
474 ms |
1332 KB |
Output is correct |
| 5 |
Correct |
317 ms |
1272 KB |
Output is correct |
| 6 |
Correct |
302 ms |
1308 KB |
Output is correct |
| 7 |
Correct |
483 ms |
1924 KB |
Output is correct |
| 8 |
Correct |
555 ms |
2220 KB |
Output is correct |
| 9 |
Correct |
510 ms |
2304 KB |
Output is correct |
| 10 |
Correct |
502 ms |
2532 KB |
Output is correct |
| 11 |
Correct |
590 ms |
2596 KB |
Output is correct |
| 12 |
Correct |
372 ms |
956 KB |
Output is correct |
| 13 |
Correct |
267 ms |
1124 KB |
Output is correct |
| 14 |
Correct |
334 ms |
1544 KB |
Output is correct |
| 15 |
Correct |
361 ms |
1660 KB |
Output is correct |
| 16 |
Correct |
412 ms |
1984 KB |
Output is correct |
| 17 |
Correct |
543 ms |
2744 KB |
Output is correct |
| 18 |
Correct |
354 ms |
1716 KB |
Output is correct |
| 19 |
Correct |
377 ms |
1736 KB |
Output is correct |
| 20 |
Correct |
554 ms |
1980 KB |
Output is correct |
| 21 |
Correct |
433 ms |
1656 KB |
Output is correct |
| 22 |
Correct |
457 ms |
1768 KB |
Output is correct |
| 23 |
Correct |
521 ms |
1908 KB |
Output is correct |
| 24 |
Correct |
474 ms |
2108 KB |
Output is correct |
| 25 |
Correct |
455 ms |
1624 KB |
Output is correct |
| 26 |
Correct |
432 ms |
1676 KB |
Output is correct |
| 27 |
Correct |
474 ms |
1880 KB |
Output is correct |
| 28 |
Correct |
577 ms |
2504 KB |
Output is correct |
| 29 |
Correct |
461 ms |
2380 KB |
Output is correct |
| 30 |
Correct |
519 ms |
2636 KB |
Output is correct |
| 31 |
Correct |
584 ms |
2588 KB |
Output is correct |
| 32 |
Correct |
696 ms |
1272 KB |
Output is correct |
| 33 |
Correct |
521 ms |
1148 KB |
Output is correct |
| 34 |
Correct |
9 ms |
376 KB |
Output is correct |
| 35 |
Correct |
10 ms |
504 KB |
Output is correct |
| 36 |
Correct |
9 ms |
376 KB |
Output is correct |
| 37 |
Correct |
10 ms |
380 KB |
Output is correct |
| 38 |
Correct |
9 ms |
504 KB |
Output is correct |
| 39 |
Correct |
11 ms |
504 KB |
Output is correct |
| 40 |
Correct |
15 ms |
632 KB |
Output is correct |
| 41 |
Correct |
17 ms |
632 KB |
Output is correct |
| 42 |
Correct |
15 ms |
632 KB |
Output is correct |
| 43 |
Correct |
9 ms |
376 KB |
Output is correct |
| 44 |
Correct |
17 ms |
504 KB |
Output is correct |
| 45 |
Correct |
17 ms |
632 KB |
Output is correct |
| 46 |
Correct |
10 ms |
504 KB |
Output is correct |
| 47 |
Correct |
5 ms |
376 KB |
Output is correct |
| 48 |
Correct |
5 ms |
376 KB |
Output is correct |
| 49 |
Correct |
5 ms |
376 KB |
Output is correct |
| 50 |
Correct |
5 ms |
376 KB |
Output is correct |
| 51 |
Correct |
5 ms |
376 KB |
Output is correct |
| 52 |
Correct |
5 ms |
376 KB |
Output is correct |
| 53 |
Correct |
5 ms |
376 KB |
Output is correct |
| 54 |
Correct |
5 ms |
376 KB |
Output is correct |
| 55 |
Correct |
5 ms |
376 KB |
Output is correct |
| 56 |
Correct |
5 ms |
376 KB |
Output is correct |
| 57 |
Correct |
5 ms |
376 KB |
Output is correct |
| 58 |
Correct |
5 ms |
376 KB |
Output is correct |
| 59 |
Correct |
5 ms |
376 KB |
Output is correct |
| 60 |
Correct |
5 ms |
248 KB |
Output is correct |
| 61 |
Correct |
5 ms |
376 KB |
Output is correct |
| 62 |
Correct |
5 ms |
248 KB |
Output is correct |
| 63 |
Correct |
5 ms |
376 KB |
Output is correct |
| 64 |
Correct |
5 ms |
248 KB |
Output is correct |
| 65 |
Correct |
5 ms |
376 KB |
Output is correct |
| 66 |
Correct |
5 ms |
376 KB |
Output is correct |
| 67 |
Correct |
4 ms |
248 KB |
Output is correct |
| 68 |
Correct |
5 ms |
248 KB |
Output is correct |
| 69 |
Correct |
5 ms |
248 KB |
Output is correct |
| 70 |
Correct |
5 ms |
376 KB |
Output is correct |
| 71 |
Correct |
4 ms |
248 KB |
Output is correct |
| 72 |
Correct |
5 ms |
376 KB |
Output is correct |
