#include "meetings.h"
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
mt19937 Amoo(chrono::steady_clock::now().time_since_epoch().count());
int rand(int bd){
int res = bd;
while(res == bd){
res = uniform_int_distribution<int>(0, bd)(Amoo);
}
return res;
}
void bridge(int u, int v){
if(u > v) swap(u, v);
Bridge(u, v);
}
void solve(vector<int> V){
// cerr << "! ";
// for(auto al : V) cerr << al << ' ';
// cerr << '\n';
int n = V.size();
if(n == 1) return ;
if(n == 2){
bridge(V[0], V[1]);
return ;
}
int a = rand(n);
int b = a;
while(b == a) b = rand(n);
a = V[a];
b = V[b];
map<int, vector<int> > mp;
mp[a].pb(a);
mp[b].pb(b);
for(auto x : V){
if(x == a || x == b) continue;
mp[Query(a, b, x)].pb(x);
}
vector<int> P;
for(auto [x, vec] : mp){
if(x != a)
P.pb(x);
solve(vec);
}
sort(P.begin(), P.end(), [&](int u, int v){
return Query(a, u, v) == u;
});
bridge(a, P[0]);
for(int i = 0; i + 1 < (int) P.size(); i++)
bridge(P[i], P[i + 1]);
// int c = a;
// while(c == a || c == b) c = rand(n);
// int rt = Query(V[a], V[b], V[c]);
// vector<int> Y;
// for(auto x : V) if(x != rt) Y.pb(x);
// vector<vector<int>> M;
// vector<int> mx;
// M.pb( {Y[0]} ); mx.pb(Y[0]);
// int res;
// for(int i = 1; i < (int) Y.size(); i++){
// int fl = 1;
// for(int j = 0; j < (int) mx.size(); j++){
// res = Query(rt, mx[j], Y[i]);
// if(res != rt){
// M[j].pb(Y[i]);
// if(res == Y[i])
// mx[j] = Y[i];
// fl = 0;
// break;
// }
// }
// if(fl){
// M.pb({Y[i]});
// mx.pb(Y[i]);
// }
// }
// for(auto u : mx)
// bridge(rt, u);
// for(auto I : M) solve(I);
}
void Solve(int N) {
vector<int> A(N);
iota(A.begin(), A.end(), 0);
solve(A);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
328 KB |
Output is correct |
| 2 |
Correct |
1 ms |
328 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
1 ms |
328 KB |
Output is correct |
| 5 |
Correct |
1 ms |
328 KB |
Output is correct |
| 6 |
Correct |
1 ms |
328 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
328 KB |
Output is correct |
| 9 |
Correct |
1 ms |
328 KB |
Output is correct |
| 10 |
Correct |
1 ms |
328 KB |
Output is correct |
| 11 |
Correct |
1 ms |
456 KB |
Output is correct |
| 12 |
Correct |
1 ms |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
328 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
328 KB |
Output is correct |
| 2 |
Correct |
1 ms |
328 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
1 ms |
328 KB |
Output is correct |
| 5 |
Correct |
1 ms |
328 KB |
Output is correct |
| 6 |
Correct |
1 ms |
328 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
328 KB |
Output is correct |
| 9 |
Correct |
1 ms |
328 KB |
Output is correct |
| 10 |
Correct |
1 ms |
328 KB |
Output is correct |
| 11 |
Correct |
1 ms |
456 KB |
Output is correct |
| 12 |
Correct |
1 ms |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
328 KB |
Output is correct |
| 14 |
Correct |
1 ms |
328 KB |
Output is correct |
| 15 |
Correct |
1 ms |
328 KB |
Output is correct |
| 16 |
Correct |
1 ms |
328 KB |
Output is correct |
| 17 |
Correct |
1 ms |
384 KB |
Output is correct |
| 18 |
Correct |
1 ms |
328 KB |
Output is correct |
| 19 |
Correct |
1 ms |
328 KB |
Output is correct |
| 20 |
Correct |
1 ms |
328 KB |
Output is correct |
| 21 |
Correct |
1 ms |
328 KB |
Output is correct |
| 22 |
Correct |
1 ms |
328 KB |
Output is correct |
| 23 |
Correct |
1 ms |
328 KB |
Output is correct |
| 24 |
Correct |
1 ms |
328 KB |
Output is correct |
| 25 |
Correct |
1 ms |
328 KB |
Output is correct |
| 26 |
Correct |
1 ms |
328 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
328 KB |
Output is correct |
| 2 |
Correct |
1 ms |
328 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
1 ms |
328 KB |
Output is correct |
| 5 |
Correct |
1 ms |
328 KB |
Output is correct |
| 6 |
Correct |
1 ms |
328 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
328 KB |
Output is correct |
| 9 |
Correct |
1 ms |
328 KB |
Output is correct |
| 10 |
Correct |
1 ms |
328 KB |
Output is correct |
| 11 |
Correct |
1 ms |
456 KB |
Output is correct |
| 12 |
Correct |
1 ms |
328 KB |
Output is correct |
| 13 |
Correct |
1 ms |
328 KB |
Output is correct |
| 14 |
Correct |
1 ms |
328 KB |
Output is correct |
| 15 |
Correct |
1 ms |
328 KB |
Output is correct |
| 16 |
Correct |
1 ms |
328 KB |
Output is correct |
| 17 |
Correct |
1 ms |
384 KB |
Output is correct |
| 18 |
Correct |
1 ms |
328 KB |
Output is correct |
| 19 |
Correct |
1 ms |
328 KB |
Output is correct |
| 20 |
Correct |
1 ms |
328 KB |
Output is correct |
| 21 |
Correct |
1 ms |
328 KB |
Output is correct |
| 22 |
Correct |
1 ms |
328 KB |
Output is correct |
| 23 |
Correct |
1 ms |
328 KB |
Output is correct |
| 24 |
Correct |
1 ms |
328 KB |
Output is correct |
| 25 |
Correct |
1 ms |
328 KB |
Output is correct |
| 26 |
Correct |
1 ms |
328 KB |
Output is correct |
| 27 |
Correct |
6 ms |
328 KB |
Output is correct |
| 28 |
Correct |
6 ms |
328 KB |
Output is correct |
| 29 |
Correct |
6 ms |
328 KB |
Output is correct |
| 30 |
Correct |
5 ms |
328 KB |
Output is correct |
| 31 |
Correct |
6 ms |
328 KB |
Output is correct |
| 32 |
Correct |
8 ms |
344 KB |
Output is correct |
| 33 |
Correct |
10 ms |
328 KB |
Output is correct |
| 34 |
Correct |
11 ms |
328 KB |
Output is correct |
| 35 |
Correct |
10 ms |
408 KB |
Output is correct |
| 36 |
Correct |
6 ms |
328 KB |
Output is correct |
| 37 |
Correct |
9 ms |
328 KB |
Output is correct |
| 38 |
Correct |
15 ms |
420 KB |
Output is correct |
| 39 |
Correct |
7 ms |
408 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
423 ms |
652 KB |
Output is correct |
| 2 |
Correct |
477 ms |
640 KB |
Output is correct |
| 3 |
Correct |
523 ms |
680 KB |
Output is correct |
| 4 |
Correct |
429 ms |
900 KB |
Output is correct |
| 5 |
Correct |
342 ms |
672 KB |
Output is correct |
| 6 |
Correct |
385 ms |
704 KB |
Output is correct |
| 7 |
Correct |
483 ms |
780 KB |
Output is correct |
| 8 |
Correct |
533 ms |
736 KB |
Output is correct |
| 9 |
Correct |
481 ms |
740 KB |
Output is correct |
| 10 |
Correct |
485 ms |
676 KB |
Output is correct |
| 11 |
Correct |
554 ms |
840 KB |
Output is correct |
| 12 |
Correct |
370 ms |
704 KB |
Output is correct |
| 13 |
Correct |
403 ms |
924 KB |
Output is correct |
| 14 |
Correct |
340 ms |
576 KB |
Output is correct |
| 15 |
Correct |
312 ms |
712 KB |
Output is correct |
| 16 |
Correct |
361 ms |
596 KB |
Output is correct |
| 17 |
Correct |
486 ms |
712 KB |
Output is correct |
| 18 |
Correct |
296 ms |
532 KB |
Output is correct |
| 19 |
Correct |
400 ms |
740 KB |
Output is correct |
| 20 |
Correct |
428 ms |
576 KB |
Output is correct |
| 21 |
Correct |
567 ms |
668 KB |
Output is correct |
| 22 |
Correct |
474 ms |
660 KB |
Output is correct |
| 23 |
Correct |
483 ms |
540 KB |
Output is correct |
| 24 |
Correct |
432 ms |
660 KB |
Output is correct |
| 25 |
Correct |
389 ms |
536 KB |
Output is correct |
| 26 |
Correct |
484 ms |
780 KB |
Output is correct |
| 27 |
Correct |
360 ms |
576 KB |
Output is correct |
| 28 |
Correct |
611 ms |
692 KB |
Output is correct |
| 29 |
Correct |
498 ms |
660 KB |
Output is correct |
| 30 |
Correct |
465 ms |
576 KB |
Output is correct |
| 31 |
Correct |
526 ms |
800 KB |
Output is correct |
| 32 |
Correct |
841 ms |
856 KB |
Output is correct |
| 33 |
Correct |
552 ms |
832 KB |
Output is correct |
| 34 |
Correct |
7 ms |
328 KB |
Output is correct |
| 35 |
Correct |
6 ms |
328 KB |
Output is correct |
| 36 |
Correct |
6 ms |
328 KB |
Output is correct |
| 37 |
Correct |
6 ms |
328 KB |
Output is correct |
| 38 |
Correct |
5 ms |
328 KB |
Output is correct |
| 39 |
Correct |
9 ms |
328 KB |
Output is correct |
| 40 |
Correct |
9 ms |
392 KB |
Output is correct |
| 41 |
Correct |
11 ms |
408 KB |
Output is correct |
| 42 |
Correct |
10 ms |
384 KB |
Output is correct |
| 43 |
Correct |
6 ms |
328 KB |
Output is correct |
| 44 |
Correct |
11 ms |
340 KB |
Output is correct |
| 45 |
Correct |
10 ms |
416 KB |
Output is correct |
| 46 |
Correct |
9 ms |
328 KB |
Output is correct |
| 47 |
Correct |
1 ms |
328 KB |
Output is correct |
| 48 |
Correct |
1 ms |
328 KB |
Output is correct |
| 49 |
Correct |
1 ms |
328 KB |
Output is correct |
| 50 |
Correct |
1 ms |
328 KB |
Output is correct |
| 51 |
Correct |
1 ms |
328 KB |
Output is correct |
| 52 |
Correct |
1 ms |
328 KB |
Output is correct |
| 53 |
Correct |
1 ms |
328 KB |
Output is correct |
| 54 |
Correct |
1 ms |
328 KB |
Output is correct |
| 55 |
Correct |
1 ms |
328 KB |
Output is correct |
| 56 |
Correct |
1 ms |
328 KB |
Output is correct |
| 57 |
Correct |
1 ms |
328 KB |
Output is correct |
| 58 |
Correct |
1 ms |
328 KB |
Output is correct |
| 59 |
Correct |
1 ms |
328 KB |
Output is correct |
| 60 |
Correct |
1 ms |
328 KB |
Output is correct |
| 61 |
Correct |
1 ms |
328 KB |
Output is correct |
| 62 |
Correct |
1 ms |
328 KB |
Output is correct |
| 63 |
Correct |
1 ms |
328 KB |
Output is correct |
| 64 |
Correct |
1 ms |
328 KB |
Output is correct |
| 65 |
Correct |
1 ms |
328 KB |
Output is correct |
| 66 |
Correct |
1 ms |
328 KB |
Output is correct |
| 67 |
Correct |
1 ms |
328 KB |
Output is correct |
| 68 |
Correct |
1 ms |
328 KB |
Output is correct |
| 69 |
Correct |
1 ms |
328 KB |
Output is correct |
| 70 |
Correct |
1 ms |
328 KB |
Output is correct |
| 71 |
Correct |
1 ms |
328 KB |
Output is correct |
| 72 |
Correct |
1 ms |
328 KB |
Output is correct |
