#include <bits/stdc++.h>
#include "meetings.h"
using namespace std;
using pii = pair<int, int>;
#define X first
#define Y second
static vector<pii> ans;
static vector<int> u[2005];
static int piv;
int ask(int x, int y, int z){
return Query(x - 1, y - 1, z - 1) + 1;
}
void f(vector<int> v){
if(v.size() <= 2){
if(v.size() == 2) ans.emplace_back(v[0], v[1]);
return;
}
for(int i : v){
u[i].clear();
}
random_shuffle(v.begin(), v.end());
u[v[0]].push_back(v[0]);
u[v[1]].push_back(v[1]);
for(int i = 2; i < v.size(); i++){
int t = ask(v[0], v[1], v[i]);
u[t].push_back(v[i]);
}
vector<int> w;
for(int i : v){
if(u[i].empty()) continue;
w.push_back(i);
}
for(int i = 0; i < w.size(); i++) if(w[i] == v[0]) swap(w[0], w[i]);
for(int i = 0; i < w.size(); i++) if(w[i] == v[1]) swap(w[w.size() - 1], w[i]);
piv = w[0];
if(w.size() >= 4) sort(w.begin() + 1, w.end() - 1, [](int x, int y){
return ask(piv, x, y) == x;
});
for(int i = 1; i < w.size(); i++) ans.emplace_back(w[i - 1], w[i]);
for(int i : w) f(u[i]);
}
void Solve(int n){
vector<int> v;
for(int i = 1; i <= n; i++) v.push_back(i);
f(v);
for(pii i : ans) Bridge(min(i.X, i.Y) - 1, max(i.X, i.Y) - 1);
}
Compilation message
meetings.cpp: In function 'void f(std::vector<int>)':
meetings.cpp:28:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 2; i < v.size(); i++){
~~^~~~~~~~~~
meetings.cpp:37:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < w.size(); i++) if(w[i] == v[0]) swap(w[0], w[i]);
~~^~~~~~~~~~
meetings.cpp:38:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < w.size(); i++) if(w[i] == v[1]) swap(w[w.size() - 1], w[i]);
~~^~~~~~~~~~
meetings.cpp:43:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 1; i < w.size(); i++) ans.emplace_back(w[i - 1], w[i]);
~~^~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
2 ms |
384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
3 ms |
512 KB |
Output is correct |
| 23 |
Correct |
2 ms |
384 KB |
Output is correct |
| 24 |
Correct |
2 ms |
384 KB |
Output is correct |
| 25 |
Correct |
2 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
256 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
2 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
2 ms |
384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
2 ms |
384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
3 ms |
512 KB |
Output is correct |
| 23 |
Correct |
2 ms |
384 KB |
Output is correct |
| 24 |
Correct |
2 ms |
384 KB |
Output is correct |
| 25 |
Correct |
2 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 KB |
Output is correct |
| 27 |
Correct |
6 ms |
384 KB |
Output is correct |
| 28 |
Correct |
6 ms |
384 KB |
Output is correct |
| 29 |
Correct |
6 ms |
512 KB |
Output is correct |
| 30 |
Correct |
5 ms |
512 KB |
Output is correct |
| 31 |
Correct |
4 ms |
512 KB |
Output is correct |
| 32 |
Correct |
6 ms |
512 KB |
Output is correct |
| 33 |
Correct |
7 ms |
384 KB |
Output is correct |
| 34 |
Correct |
9 ms |
384 KB |
Output is correct |
| 35 |
Correct |
8 ms |
512 KB |
Output is correct |
| 36 |
Correct |
4 ms |
384 KB |
Output is correct |
| 37 |
Correct |
7 ms |
384 KB |
Output is correct |
| 38 |
Correct |
8 ms |
384 KB |
Output is correct |
| 39 |
Correct |
10 ms |
512 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
395 ms |
772 KB |
Output is correct |
| 2 |
Correct |
509 ms |
888 KB |
Output is correct |
| 3 |
Correct |
563 ms |
904 KB |
Output is correct |
| 4 |
Correct |
547 ms |
888 KB |
Output is correct |
| 5 |
Correct |
301 ms |
808 KB |
Output is correct |
| 6 |
Correct |
281 ms |
760 KB |
Output is correct |
| 7 |
Correct |
361 ms |
888 KB |
Output is correct |
| 8 |
Correct |
442 ms |
760 KB |
Output is correct |
| 9 |
Correct |
481 ms |
764 KB |
Output is correct |
| 10 |
Correct |
689 ms |
760 KB |
Output is correct |
| 11 |
Correct |
463 ms |
888 KB |
Output is correct |
| 12 |
Correct |
368 ms |
760 KB |
Output is correct |
| 13 |
Correct |
300 ms |
888 KB |
Output is correct |
| 14 |
Correct |
270 ms |
776 KB |
Output is correct |
| 15 |
Correct |
293 ms |
764 KB |
Output is correct |
| 16 |
Correct |
282 ms |
760 KB |
Output is correct |
| 17 |
Correct |
482 ms |
888 KB |
Output is correct |
| 18 |
Correct |
288 ms |
908 KB |
Output is correct |
| 19 |
Correct |
300 ms |
792 KB |
Output is correct |
| 20 |
Correct |
312 ms |
788 KB |
Output is correct |
| 21 |
Correct |
335 ms |
764 KB |
Output is correct |
| 22 |
Correct |
409 ms |
888 KB |
Output is correct |
| 23 |
Correct |
396 ms |
888 KB |
Output is correct |
| 24 |
Correct |
385 ms |
956 KB |
Output is correct |
| 25 |
Correct |
386 ms |
964 KB |
Output is correct |
| 26 |
Correct |
350 ms |
780 KB |
Output is correct |
| 27 |
Correct |
399 ms |
764 KB |
Output is correct |
| 28 |
Correct |
521 ms |
924 KB |
Output is correct |
| 29 |
Correct |
428 ms |
920 KB |
Output is correct |
| 30 |
Correct |
402 ms |
920 KB |
Output is correct |
| 31 |
Correct |
454 ms |
764 KB |
Output is correct |
| 32 |
Correct |
550 ms |
952 KB |
Output is correct |
| 33 |
Correct |
405 ms |
1016 KB |
Output is correct |
| 34 |
Correct |
5 ms |
384 KB |
Output is correct |
| 35 |
Correct |
5 ms |
384 KB |
Output is correct |
| 36 |
Correct |
5 ms |
512 KB |
Output is correct |
| 37 |
Correct |
4 ms |
384 KB |
Output is correct |
| 38 |
Correct |
4 ms |
384 KB |
Output is correct |
| 39 |
Correct |
6 ms |
384 KB |
Output is correct |
| 40 |
Correct |
7 ms |
384 KB |
Output is correct |
| 41 |
Correct |
9 ms |
384 KB |
Output is correct |
| 42 |
Correct |
9 ms |
512 KB |
Output is correct |
| 43 |
Correct |
5 ms |
384 KB |
Output is correct |
| 44 |
Correct |
8 ms |
512 KB |
Output is correct |
| 45 |
Correct |
8 ms |
384 KB |
Output is correct |
| 46 |
Correct |
10 ms |
512 KB |
Output is correct |
| 47 |
Correct |
2 ms |
384 KB |
Output is correct |
| 48 |
Correct |
2 ms |
384 KB |
Output is correct |
| 49 |
Correct |
2 ms |
384 KB |
Output is correct |
| 50 |
Correct |
2 ms |
384 KB |
Output is correct |
| 51 |
Correct |
2 ms |
384 KB |
Output is correct |
| 52 |
Correct |
2 ms |
384 KB |
Output is correct |
| 53 |
Correct |
2 ms |
384 KB |
Output is correct |
| 54 |
Correct |
2 ms |
512 KB |
Output is correct |
| 55 |
Correct |
2 ms |
412 KB |
Output is correct |
| 56 |
Correct |
2 ms |
384 KB |
Output is correct |
| 57 |
Correct |
2 ms |
384 KB |
Output is correct |
| 58 |
Correct |
2 ms |
384 KB |
Output is correct |
| 59 |
Correct |
2 ms |
388 KB |
Output is correct |
| 60 |
Correct |
2 ms |
384 KB |
Output is correct |
| 61 |
Correct |
2 ms |
384 KB |
Output is correct |
| 62 |
Correct |
2 ms |
384 KB |
Output is correct |
| 63 |
Correct |
1 ms |
384 KB |
Output is correct |
| 64 |
Correct |
2 ms |
384 KB |
Output is correct |
| 65 |
Correct |
2 ms |
384 KB |
Output is correct |
| 66 |
Correct |
2 ms |
384 KB |
Output is correct |
| 67 |
Correct |
1 ms |
384 KB |
Output is correct |
| 68 |
Correct |
2 ms |
384 KB |
Output is correct |
| 69 |
Correct |
2 ms |
384 KB |
Output is correct |
| 70 |
Correct |
2 ms |
412 KB |
Output is correct |
| 71 |
Correct |
2 ms |
384 KB |
Output is correct |
| 72 |
Correct |
2 ms |
384 KB |
Output is correct |
