#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
using pi = pair<int, int>;
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(), (v).end()
mt19937 rng(0x14004);
int randint(int lb, int ub){ return uniform_int_distribution<int>(lb, ub)(rng); }
void bridge(int x, int y){ Bridge(min(x, y), max(x, y)); }
void dfs(vector<int> v){
if(v.size() == 1) return;
if(v.size() == 2){
bridge(v[0], v[1]);
return;
}
shuffle(v.begin()+1, v.end(), rng);
vector<pi> ords;
vector<int> fuck = {v[0]};
ords.emplace_back(v[1], v[1]);
for(int i=2; i<v.size(); i++){
int q = Query(v[0], v[1], v[i]);
if(q == v[0]) fuck.push_back(v[i]);
else ords.emplace_back(q, v[i]);
}
sort(ords.begin(), ords.end(), [&](pi a, pi b){
if(a.first != b.first) return Query(v[0], a.first, b.first) == a.first;
return a.second < b.second;
});
if(sz(ords)) bridge(v[0], ords[0].first);
for(int i = 0; i < sz(ords); ){
int e = i;
vector<int> w;
while(e < sz(ords) && ords[i].first == ords[e].first){
w.push_back(ords[e++].second);
}
swap(w[0], *find(all(w), ords[i].first));
dfs(w);
if(e < sz(ords)) bridge(ords[i].first, ords[e].first);
i = e;
}
dfs(fuck);
}
void Solve(int N) {
vector<int> v(N);
iota(v.begin(), v.end(), 0);
dfs(v);
}
Compilation message
meetings.cpp: In function 'void dfs(std::vector<int>)':
meetings.cpp:23:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
23 | for(int i=2; i<v.size(); i++){
| ~^~~~~~~~~
| # |
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 |
328 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 |
328 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 |
328 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 |
328 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 |
328 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 |
328 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 |
328 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 |
328 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 |
10 ms |
372 KB |
Output is correct |
| 28 |
Correct |
10 ms |
328 KB |
Output is correct |
| 29 |
Correct |
11 ms |
388 KB |
Output is correct |
| 30 |
Correct |
9 ms |
380 KB |
Output is correct |
| 31 |
Correct |
14 ms |
328 KB |
Output is correct |
| 32 |
Correct |
9 ms |
328 KB |
Output is correct |
| 33 |
Correct |
19 ms |
388 KB |
Output is correct |
| 34 |
Correct |
20 ms |
484 KB |
Output is correct |
| 35 |
Correct |
16 ms |
328 KB |
Output is correct |
| 36 |
Correct |
14 ms |
328 KB |
Output is correct |
| 37 |
Correct |
15 ms |
404 KB |
Output is correct |
| 38 |
Correct |
17 ms |
396 KB |
Output is correct |
| 39 |
Correct |
11 ms |
388 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
837 ms |
524 KB |
Output is correct |
| 2 |
Correct |
850 ms |
976 KB |
Output is correct |
| 3 |
Correct |
956 ms |
768 KB |
Output is correct |
| 4 |
Correct |
926 ms |
960 KB |
Output is correct |
| 5 |
Correct |
944 ms |
788 KB |
Output is correct |
| 6 |
Correct |
736 ms |
840 KB |
Output is correct |
| 7 |
Correct |
866 ms |
716 KB |
Output is correct |
| 8 |
Correct |
944 ms |
688 KB |
Output is correct |
| 9 |
Correct |
943 ms |
792 KB |
Output is correct |
| 10 |
Correct |
820 ms |
832 KB |
Output is correct |
| 11 |
Correct |
1010 ms |
804 KB |
Output is correct |
| 12 |
Correct |
1079 ms |
772 KB |
Output is correct |
| 13 |
Correct |
535 ms |
764 KB |
Output is correct |
| 14 |
Correct |
886 ms |
664 KB |
Output is correct |
| 15 |
Correct |
795 ms |
660 KB |
Output is correct |
| 16 |
Correct |
993 ms |
688 KB |
Output is correct |
| 17 |
Correct |
853 ms |
732 KB |
Output is correct |
| 18 |
Correct |
637 ms |
608 KB |
Output is correct |
| 19 |
Correct |
651 ms |
556 KB |
Output is correct |
| 20 |
Correct |
844 ms |
608 KB |
Output is correct |
| 21 |
Correct |
864 ms |
780 KB |
Output is correct |
| 22 |
Correct |
788 ms |
696 KB |
Output is correct |
| 23 |
Correct |
850 ms |
708 KB |
Output is correct |
| 24 |
Correct |
821 ms |
636 KB |
Output is correct |
| 25 |
Correct |
751 ms |
548 KB |
Output is correct |
| 26 |
Correct |
735 ms |
652 KB |
Output is correct |
| 27 |
Correct |
778 ms |
808 KB |
Output is correct |
| 28 |
Correct |
1137 ms |
884 KB |
Output is correct |
| 29 |
Correct |
816 ms |
836 KB |
Output is correct |
| 30 |
Correct |
869 ms |
692 KB |
Output is correct |
| 31 |
Correct |
908 ms |
780 KB |
Output is correct |
| 32 |
Correct |
1410 ms |
888 KB |
Output is correct |
| 33 |
Correct |
1061 ms |
756 KB |
Output is correct |
| 34 |
Correct |
10 ms |
328 KB |
Output is correct |
| 35 |
Correct |
10 ms |
384 KB |
Output is correct |
| 36 |
Correct |
11 ms |
380 KB |
Output is correct |
| 37 |
Correct |
9 ms |
380 KB |
Output is correct |
| 38 |
Correct |
11 ms |
328 KB |
Output is correct |
| 39 |
Correct |
10 ms |
384 KB |
Output is correct |
| 40 |
Correct |
15 ms |
404 KB |
Output is correct |
| 41 |
Correct |
17 ms |
328 KB |
Output is correct |
| 42 |
Correct |
16 ms |
456 KB |
Output is correct |
| 43 |
Correct |
12 ms |
328 KB |
Output is correct |
| 44 |
Correct |
16 ms |
328 KB |
Output is correct |
| 45 |
Correct |
21 ms |
328 KB |
Output is correct |
| 46 |
Correct |
12 ms |
388 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 |
0 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 |
