#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i,s,e) for (int i = s; i <= e; ++i)
#define fi first
#define se second
#define all(a) a.begin(), a.end()
#define len(a) (int)a.size()
#define pb push_back
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;
const int mx = 2000;
vi kids[mx];
int sz[mx], par[mx], done[mx];
int bot (int u, int id) {
vii ord;
for (int v : kids[u]) ord.pb({sz[v],v});
stable_sort(all(ord));
reverse(all(ord));
if (id >= len(ord)) return u;
return bot (ord[id].se, 0);
}
void upd (int u) {
sz[u]++;
if (par[u]) upd(par[u]);
}
void Solve(int n) {
done[0] = 1;
rep (i,1,n-1) {
if (done[i]) continue;
int cur = 0, id = 0, y = i, x = -1;
while (true) {
x = bot(cur, id);
if (x==cur) break;
int res = Query (0, i, x);
if (!done[res]) {
if (res!=i) {
par[i] = res;
kids[res].pb(i);
y = res;
}
break;
}
if (res!=cur) {
cur = res;
id = 0;
}
else id++;
}
vi a;
while (x!=0) {
a.pb(x);
x = par[x];
}
a.pb(0);
int lo = 0, hi = len(a)-1;
while (lo<hi) {
int mid = (lo+hi)/2;
int res = Query (0, a[mid], y);
if (res==y) lo = mid+1;
else hi = mid;
}
par[y] = a[lo];
kids[a[lo]].pb(y);
if (lo != 0) {
par[a[lo-1]] = y;
kids[a[lo]].erase(find(all(kids[a[lo]]),a[lo-1]));
kids[y].pb(a[lo-1]);
}
upd(i);
if (y!=i) upd (y);
done[i] = done[y] = 1;
}
rep (i,1,n-1) Bridge(min(par[i],i), max(i,par[i]));
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
0 ms |
336 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
336 KB |
Output is correct |
| 8 |
Correct |
1 ms |
336 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
1 ms |
336 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
0 ms |
336 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
336 KB |
Output is correct |
| 8 |
Correct |
1 ms |
336 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
1 ms |
336 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
336 KB |
Output is correct |
| 14 |
Correct |
1 ms |
388 KB |
Output is correct |
| 15 |
Correct |
1 ms |
336 KB |
Output is correct |
| 16 |
Correct |
1 ms |
336 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
1 ms |
336 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
336 KB |
Output is correct |
| 24 |
Correct |
1 ms |
336 KB |
Output is correct |
| 25 |
Correct |
1 ms |
336 KB |
Output is correct |
| 26 |
Correct |
1 ms |
336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
1 ms |
336 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
0 ms |
336 KB |
Output is correct |
| 6 |
Correct |
1 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
336 KB |
Output is correct |
| 8 |
Correct |
1 ms |
336 KB |
Output is correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
336 KB |
Output is correct |
| 11 |
Correct |
1 ms |
336 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
336 KB |
Output is correct |
| 14 |
Correct |
1 ms |
388 KB |
Output is correct |
| 15 |
Correct |
1 ms |
336 KB |
Output is correct |
| 16 |
Correct |
1 ms |
336 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
1 ms |
336 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
336 KB |
Output is correct |
| 24 |
Correct |
1 ms |
336 KB |
Output is correct |
| 25 |
Correct |
1 ms |
336 KB |
Output is correct |
| 26 |
Correct |
1 ms |
336 KB |
Output is correct |
| 27 |
Correct |
8 ms |
336 KB |
Output is correct |
| 28 |
Correct |
8 ms |
336 KB |
Output is correct |
| 29 |
Correct |
8 ms |
336 KB |
Output is correct |
| 30 |
Correct |
11 ms |
336 KB |
Output is correct |
| 31 |
Correct |
8 ms |
336 KB |
Output is correct |
| 32 |
Correct |
11 ms |
424 KB |
Output is correct |
| 33 |
Correct |
14 ms |
428 KB |
Output is correct |
| 34 |
Correct |
17 ms |
336 KB |
Output is correct |
| 35 |
Correct |
17 ms |
440 KB |
Output is correct |
| 36 |
Correct |
9 ms |
428 KB |
Output is correct |
| 37 |
Correct |
13 ms |
456 KB |
Output is correct |
| 38 |
Correct |
17 ms |
440 KB |
Output is correct |
| 39 |
Correct |
16 ms |
464 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
607 ms |
576 KB |
Output is correct |
| 2 |
Correct |
581 ms |
604 KB |
Output is correct |
| 3 |
Correct |
583 ms |
568 KB |
Output is correct |
| 4 |
Correct |
674 ms |
568 KB |
Output is correct |
| 5 |
Correct |
550 ms |
688 KB |
Output is correct |
| 6 |
Correct |
515 ms |
572 KB |
Output is correct |
| 7 |
Correct |
707 ms |
568 KB |
Output is correct |
| 8 |
Correct |
791 ms |
584 KB |
Output is correct |
| 9 |
Correct |
802 ms |
588 KB |
Output is correct |
| 10 |
Correct |
774 ms |
716 KB |
Output is correct |
| 11 |
Correct |
818 ms |
588 KB |
Output is correct |
| 12 |
Correct |
631 ms |
712 KB |
Output is correct |
| 13 |
Correct |
557 ms |
736 KB |
Output is correct |
| 14 |
Correct |
656 ms |
624 KB |
Output is correct |
| 15 |
Correct |
649 ms |
616 KB |
Output is correct |
| 16 |
Correct |
658 ms |
608 KB |
Output is correct |
| 17 |
Correct |
720 ms |
840 KB |
Output is correct |
| 18 |
Correct |
584 ms |
740 KB |
Output is correct |
| 19 |
Correct |
584 ms |
584 KB |
Output is correct |
| 20 |
Correct |
729 ms |
720 KB |
Output is correct |
| 21 |
Correct |
746 ms |
592 KB |
Output is correct |
| 22 |
Correct |
736 ms |
720 KB |
Output is correct |
| 23 |
Correct |
711 ms |
708 KB |
Output is correct |
| 24 |
Correct |
762 ms |
728 KB |
Output is correct |
| 25 |
Correct |
714 ms |
704 KB |
Output is correct |
| 26 |
Correct |
706 ms |
712 KB |
Output is correct |
| 27 |
Correct |
711 ms |
700 KB |
Output is correct |
| 28 |
Correct |
814 ms |
704 KB |
Output is correct |
| 29 |
Correct |
792 ms |
580 KB |
Output is correct |
| 30 |
Correct |
800 ms |
704 KB |
Output is correct |
| 31 |
Correct |
801 ms |
712 KB |
Output is correct |
| 32 |
Correct |
1076 ms |
940 KB |
Output is correct |
| 33 |
Correct |
1002 ms |
1072 KB |
Output is correct |
| 34 |
Correct |
7 ms |
336 KB |
Output is correct |
| 35 |
Correct |
8 ms |
336 KB |
Output is correct |
| 36 |
Correct |
8 ms |
336 KB |
Output is correct |
| 37 |
Correct |
7 ms |
336 KB |
Output is correct |
| 38 |
Correct |
7 ms |
336 KB |
Output is correct |
| 39 |
Correct |
10 ms |
336 KB |
Output is correct |
| 40 |
Correct |
15 ms |
432 KB |
Output is correct |
| 41 |
Correct |
18 ms |
420 KB |
Output is correct |
| 42 |
Correct |
17 ms |
436 KB |
Output is correct |
| 43 |
Correct |
7 ms |
392 KB |
Output is correct |
| 44 |
Correct |
14 ms |
460 KB |
Output is correct |
| 45 |
Correct |
16 ms |
484 KB |
Output is correct |
| 46 |
Correct |
14 ms |
464 KB |
Output is correct |
| 47 |
Correct |
1 ms |
336 KB |
Output is correct |
| 48 |
Correct |
1 ms |
392 KB |
Output is correct |
| 49 |
Correct |
1 ms |
336 KB |
Output is correct |
| 50 |
Correct |
1 ms |
336 KB |
Output is correct |
| 51 |
Correct |
1 ms |
336 KB |
Output is correct |
| 52 |
Correct |
1 ms |
336 KB |
Output is correct |
| 53 |
Correct |
1 ms |
336 KB |
Output is correct |
| 54 |
Correct |
1 ms |
336 KB |
Output is correct |
| 55 |
Correct |
1 ms |
336 KB |
Output is correct |
| 56 |
Correct |
1 ms |
336 KB |
Output is correct |
| 57 |
Correct |
1 ms |
336 KB |
Output is correct |
| 58 |
Correct |
1 ms |
336 KB |
Output is correct |
| 59 |
Correct |
1 ms |
336 KB |
Output is correct |
| 60 |
Correct |
0 ms |
336 KB |
Output is correct |
| 61 |
Correct |
1 ms |
336 KB |
Output is correct |
| 62 |
Correct |
0 ms |
336 KB |
Output is correct |
| 63 |
Correct |
1 ms |
336 KB |
Output is correct |
| 64 |
Correct |
1 ms |
336 KB |
Output is correct |
| 65 |
Correct |
0 ms |
336 KB |
Output is correct |
| 66 |
Correct |
0 ms |
336 KB |
Output is correct |
| 67 |
Correct |
1 ms |
336 KB |
Output is correct |
| 68 |
Correct |
0 ms |
336 KB |
Output is correct |
| 69 |
Correct |
1 ms |
336 KB |
Output is correct |
| 70 |
Correct |
0 ms |
336 KB |
Output is correct |
| 71 |
Correct |
1 ms |
336 KB |
Output is correct |
| 72 |
Correct |
1 ms |
336 KB |
Output is correct |
