#include <bits/stdc++.h>
#include "meetings.h"
using namespace std;
typedef pair <int, int> pii;
void bridge(int u, int v)
{
if(u > v) swap(u, v);
Bridge(u, v);
}
void f(int p, vector <int> &V)
{
vector <int> X;
vector <pii> Y;
int i, j, v, q;
swap(V[rand() % V.size()], V.back());
q = V.back(); V.pop_back();
for(int &t: V){
v = Query(p, q, t);
if(t == v) X.push_back(t);
else Y.emplace_back(v, t);
}
if(X.empty()) bridge(p, q);
else{
sort(X.begin(), X.end(), [&](int &a, int &b){
if(a == b) return false;
return Query(p, a, b) == a;
});
bridge(p, X[0]);
for(i=1; i<X.size(); i++){
bridge(X[i - 1], X[i]);
}
bridge(X.back(), q);
}
sort(Y.begin(), Y.end());
for(i=0; i<Y.size(); i=j){
V.clear();
for(j=i; j<Y.size() && Y[j].first == Y[i].first; j++){
V.push_back(Y[j].second);
}
f(Y[i].first, V);
}
}
void Solve(int n)
{
vector <int> V;
int i;
srand(time(0));
for(i=1; i<n; i++){
V.push_back(i);
}
f(0, V);
}
Compilation message
meetings.cpp: In function 'void f(int, std::vector<int>&)':
meetings.cpp:38:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(i=1; i<X.size(); i++){
~^~~~~~~~~
meetings.cpp:46:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(i=0; i<Y.size(); i=j){
~^~~~~~~~~
meetings.cpp:48:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(j=i; j<Y.size() && Y[j].first == Y[i].first; j++){
~^~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
248 KB |
Output is correct |
| 4 |
Correct |
2 ms |
248 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
248 KB |
Output is correct |
| 7 |
Correct |
2 ms |
248 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
248 KB |
Output is correct |
| 11 |
Correct |
2 ms |
252 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
248 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
248 KB |
Output is correct |
| 4 |
Correct |
2 ms |
248 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
248 KB |
Output is correct |
| 7 |
Correct |
2 ms |
248 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
248 KB |
Output is correct |
| 11 |
Correct |
2 ms |
252 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
248 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 KB |
Output is correct |
| 15 |
Correct |
2 ms |
248 KB |
Output is correct |
| 16 |
Correct |
2 ms |
248 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
380 KB |
Output is correct |
| 19 |
Correct |
2 ms |
248 KB |
Output is correct |
| 20 |
Correct |
2 ms |
376 KB |
Output is correct |
| 21 |
Correct |
2 ms |
248 KB |
Output is correct |
| 22 |
Correct |
2 ms |
380 KB |
Output is correct |
| 23 |
Correct |
2 ms |
376 KB |
Output is correct |
| 24 |
Correct |
2 ms |
376 KB |
Output is correct |
| 25 |
Correct |
2 ms |
248 KB |
Output is correct |
| 26 |
Correct |
2 ms |
248 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
248 KB |
Output is correct |
| 4 |
Correct |
2 ms |
248 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
248 KB |
Output is correct |
| 7 |
Correct |
2 ms |
248 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
248 KB |
Output is correct |
| 11 |
Correct |
2 ms |
252 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
248 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 KB |
Output is correct |
| 15 |
Correct |
2 ms |
248 KB |
Output is correct |
| 16 |
Correct |
2 ms |
248 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
380 KB |
Output is correct |
| 19 |
Correct |
2 ms |
248 KB |
Output is correct |
| 20 |
Correct |
2 ms |
376 KB |
Output is correct |
| 21 |
Correct |
2 ms |
248 KB |
Output is correct |
| 22 |
Correct |
2 ms |
380 KB |
Output is correct |
| 23 |
Correct |
2 ms |
376 KB |
Output is correct |
| 24 |
Correct |
2 ms |
376 KB |
Output is correct |
| 25 |
Correct |
2 ms |
248 KB |
Output is correct |
| 26 |
Correct |
2 ms |
248 KB |
Output is correct |
| 27 |
Correct |
7 ms |
376 KB |
Output is correct |
| 28 |
Correct |
6 ms |
376 KB |
Output is correct |
| 29 |
Correct |
6 ms |
376 KB |
Output is correct |
| 30 |
Correct |
7 ms |
376 KB |
Output is correct |
| 31 |
Correct |
6 ms |
376 KB |
Output is correct |
| 32 |
Correct |
9 ms |
376 KB |
Output is correct |
| 33 |
Correct |
14 ms |
376 KB |
Output is correct |
| 34 |
Correct |
18 ms |
376 KB |
Output is correct |
| 35 |
Correct |
16 ms |
508 KB |
Output is correct |
| 36 |
Correct |
6 ms |
376 KB |
Output is correct |
| 37 |
Correct |
10 ms |
376 KB |
Output is correct |
| 38 |
Correct |
13 ms |
376 KB |
Output is correct |
| 39 |
Correct |
10 ms |
504 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
671 ms |
556 KB |
Output is correct |
| 2 |
Correct |
706 ms |
760 KB |
Output is correct |
| 3 |
Correct |
759 ms |
824 KB |
Output is correct |
| 4 |
Correct |
830 ms |
764 KB |
Output is correct |
| 5 |
Correct |
462 ms |
552 KB |
Output is correct |
| 6 |
Correct |
389 ms |
760 KB |
Output is correct |
| 7 |
Correct |
686 ms |
844 KB |
Output is correct |
| 8 |
Correct |
782 ms |
888 KB |
Output is correct |
| 9 |
Correct |
839 ms |
760 KB |
Output is correct |
| 10 |
Correct |
803 ms |
828 KB |
Output is correct |
| 11 |
Correct |
975 ms |
828 KB |
Output is correct |
| 12 |
Correct |
371 ms |
760 KB |
Output is correct |
| 13 |
Correct |
422 ms |
716 KB |
Output is correct |
| 14 |
Correct |
541 ms |
760 KB |
Output is correct |
| 15 |
Correct |
442 ms |
708 KB |
Output is correct |
| 16 |
Correct |
578 ms |
712 KB |
Output is correct |
| 17 |
Correct |
847 ms |
804 KB |
Output is correct |
| 18 |
Correct |
458 ms |
680 KB |
Output is correct |
| 19 |
Correct |
496 ms |
772 KB |
Output is correct |
| 20 |
Correct |
531 ms |
744 KB |
Output is correct |
| 21 |
Correct |
597 ms |
652 KB |
Output is correct |
| 22 |
Correct |
537 ms |
876 KB |
Output is correct |
| 23 |
Correct |
520 ms |
756 KB |
Output is correct |
| 24 |
Correct |
593 ms |
680 KB |
Output is correct |
| 25 |
Correct |
628 ms |
840 KB |
Output is correct |
| 26 |
Correct |
556 ms |
760 KB |
Output is correct |
| 27 |
Correct |
541 ms |
760 KB |
Output is correct |
| 28 |
Correct |
1024 ms |
760 KB |
Output is correct |
| 29 |
Correct |
764 ms |
760 KB |
Output is correct |
| 30 |
Correct |
786 ms |
844 KB |
Output is correct |
| 31 |
Correct |
849 ms |
760 KB |
Output is correct |
| 32 |
Correct |
1065 ms |
888 KB |
Output is correct |
| 33 |
Correct |
1104 ms |
808 KB |
Output is correct |
| 34 |
Correct |
8 ms |
376 KB |
Output is correct |
| 35 |
Correct |
6 ms |
376 KB |
Output is correct |
| 36 |
Correct |
8 ms |
376 KB |
Output is correct |
| 37 |
Correct |
7 ms |
396 KB |
Output is correct |
| 38 |
Correct |
5 ms |
376 KB |
Output is correct |
| 39 |
Correct |
8 ms |
376 KB |
Output is correct |
| 40 |
Correct |
14 ms |
504 KB |
Output is correct |
| 41 |
Correct |
22 ms |
504 KB |
Output is correct |
| 42 |
Correct |
18 ms |
376 KB |
Output is correct |
| 43 |
Correct |
6 ms |
376 KB |
Output is correct |
| 44 |
Correct |
11 ms |
376 KB |
Output is correct |
| 45 |
Correct |
11 ms |
504 KB |
Output is correct |
| 46 |
Correct |
9 ms |
504 KB |
Output is correct |
| 47 |
Correct |
2 ms |
248 KB |
Output is correct |
| 48 |
Correct |
2 ms |
252 KB |
Output is correct |
| 49 |
Correct |
2 ms |
248 KB |
Output is correct |
| 50 |
Correct |
2 ms |
248 KB |
Output is correct |
| 51 |
Correct |
2 ms |
248 KB |
Output is correct |
| 52 |
Correct |
2 ms |
248 KB |
Output is correct |
| 53 |
Correct |
2 ms |
248 KB |
Output is correct |
| 54 |
Correct |
3 ms |
248 KB |
Output is correct |
| 55 |
Correct |
2 ms |
372 KB |
Output is correct |
| 56 |
Correct |
2 ms |
296 KB |
Output is correct |
| 57 |
Correct |
3 ms |
380 KB |
Output is correct |
| 58 |
Correct |
2 ms |
248 KB |
Output is correct |
| 59 |
Correct |
2 ms |
376 KB |
Output is correct |
| 60 |
Correct |
2 ms |
248 KB |
Output is correct |
| 61 |
Correct |
2 ms |
248 KB |
Output is correct |
| 62 |
Correct |
2 ms |
376 KB |
Output is correct |
| 63 |
Correct |
2 ms |
248 KB |
Output is correct |
| 64 |
Correct |
2 ms |
376 KB |
Output is correct |
| 65 |
Correct |
2 ms |
376 KB |
Output is correct |
| 66 |
Correct |
2 ms |
380 KB |
Output is correct |
| 67 |
Correct |
2 ms |
248 KB |
Output is correct |
| 68 |
Correct |
2 ms |
248 KB |
Output is correct |
| 69 |
Correct |
2 ms |
376 KB |
Output is correct |
| 70 |
Correct |
2 ms |
248 KB |
Output is correct |
| 71 |
Correct |
2 ms |
376 KB |
Output is correct |
| 72 |
Correct |
2 ms |
248 KB |
Output is correct |
