#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
using pi = pair<int, int>;
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;
}
map<int, int> mp;
shuffle(v.begin(), v.end(), rng);
for(int i=2; i<v.size(); i++){
int q = Query(v[0], v[1], v[i]);
mp[q]++;
}
pi ret(-1, -1);
for(auto &i : mp){
ret = max(ret, pi(i.second, i.first));
}
int c = ret.second;
vector<vector<int>> anclist;
for(auto &i : v){
if(i == c) continue;
bool found = 0;
for(auto &j : anclist){
if(find(j.begin(), j.end(), i) != j.end()){
found = 1;
break;
}
}
if(found) continue;
for(auto &j : anclist){
int x = Query(i, j[0], c);
if(x == c) continue;
j.push_back(i);
if(find(j.begin(), j.end(), x) == j.end()) j.push_back(x);
swap(j[0], *find(j.begin(), j.end(), x));
found = 1;
break;
}
if(!found){
anclist.push_back({i});
}
}
for(auto &i : anclist){
bridge(c, i[0]);
dfs(i);
}
}
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:19:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | 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 |
368 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 |
368 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 |
12 ms |
408 KB |
Output is correct |
| 28 |
Correct |
9 ms |
328 KB |
Output is correct |
| 29 |
Correct |
9 ms |
328 KB |
Output is correct |
| 30 |
Correct |
11 ms |
328 KB |
Output is correct |
| 31 |
Correct |
14 ms |
372 KB |
Output is correct |
| 32 |
Correct |
8 ms |
328 KB |
Output is correct |
| 33 |
Correct |
12 ms |
328 KB |
Output is correct |
| 34 |
Correct |
9 ms |
328 KB |
Output is correct |
| 35 |
Correct |
11 ms |
328 KB |
Output is correct |
| 36 |
Correct |
19 ms |
380 KB |
Output is correct |
| 37 |
Correct |
20 ms |
388 KB |
Output is correct |
| 38 |
Correct |
19 ms |
404 KB |
Output is correct |
| 39 |
Correct |
17 ms |
408 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
947 ms |
664 KB |
Output is correct |
| 2 |
Correct |
874 ms |
612 KB |
Output is correct |
| 3 |
Correct |
822 ms |
552 KB |
Output is correct |
| 4 |
Correct |
900 ms |
696 KB |
Output is correct |
| 5 |
Correct |
893 ms |
680 KB |
Output is correct |
| 6 |
Correct |
640 ms |
596 KB |
Output is correct |
| 7 |
Correct |
473 ms |
528 KB |
Output is correct |
| 8 |
Correct |
487 ms |
560 KB |
Output is correct |
| 9 |
Correct |
475 ms |
676 KB |
Output is correct |
| 10 |
Correct |
462 ms |
576 KB |
Output is correct |
| 11 |
Correct |
511 ms |
632 KB |
Output is correct |
| 12 |
Correct |
1452 ms |
628 KB |
Output is correct |
| 13 |
Correct |
1161 ms |
628 KB |
Output is correct |
| 14 |
Correct |
971 ms |
592 KB |
Output is correct |
| 15 |
Correct |
1108 ms |
672 KB |
Output is correct |
| 16 |
Correct |
1036 ms |
824 KB |
Output is correct |
| 17 |
Correct |
556 ms |
564 KB |
Output is correct |
| 18 |
Correct |
875 ms |
648 KB |
Output is correct |
| 19 |
Correct |
920 ms |
664 KB |
Output is correct |
| 20 |
Correct |
1097 ms |
644 KB |
Output is correct |
| 21 |
Correct |
1111 ms |
600 KB |
Output is correct |
| 22 |
Correct |
1144 ms |
772 KB |
Output is correct |
| 23 |
Correct |
998 ms |
660 KB |
Output is correct |
| 24 |
Correct |
1151 ms |
672 KB |
Output is correct |
| 25 |
Correct |
1027 ms |
652 KB |
Output is correct |
| 26 |
Correct |
999 ms |
640 KB |
Output is correct |
| 27 |
Correct |
882 ms |
720 KB |
Output is correct |
| 28 |
Correct |
563 ms |
668 KB |
Output is correct |
| 29 |
Correct |
481 ms |
520 KB |
Output is correct |
| 30 |
Correct |
536 ms |
640 KB |
Output is correct |
| 31 |
Correct |
532 ms |
640 KB |
Output is correct |
| 32 |
Correct |
1931 ms |
748 KB |
Output is correct |
| 33 |
Correct |
1424 ms |
812 KB |
Output is correct |
| 34 |
Correct |
14 ms |
388 KB |
Output is correct |
| 35 |
Correct |
9 ms |
328 KB |
Output is correct |
| 36 |
Correct |
9 ms |
368 KB |
Output is correct |
| 37 |
Correct |
10 ms |
368 KB |
Output is correct |
| 38 |
Correct |
15 ms |
376 KB |
Output is correct |
| 39 |
Correct |
8 ms |
376 KB |
Output is correct |
| 40 |
Correct |
9 ms |
384 KB |
Output is correct |
| 41 |
Correct |
9 ms |
368 KB |
Output is correct |
| 42 |
Correct |
11 ms |
328 KB |
Output is correct |
| 43 |
Correct |
17 ms |
384 KB |
Output is correct |
| 44 |
Correct |
20 ms |
388 KB |
Output is correct |
| 45 |
Correct |
19 ms |
408 KB |
Output is correct |
| 46 |
Correct |
26 ms |
424 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 |
332 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 |
384 KB |
Output is correct |
| 61 |
Correct |
1 ms |
384 KB |
Output is correct |
| 62 |
Correct |
0 ms |
328 KB |
Output is correct |
| 63 |
Correct |
1 ms |
348 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 |
384 KB |
Output is correct |
| 69 |
Correct |
1 ms |
328 KB |
Output is correct |
| 70 |
Correct |
1 ms |
340 KB |
Output is correct |
| 71 |
Correct |
1 ms |
336 KB |
Output is correct |
| 72 |
Correct |
1 ms |
328 KB |
Output is correct |
