#include <bits/stdc++.h>
#include "meetings.h"
using namespace std;
mt19937 rng(10072002);
void addEdge(int u, int v) {
if (u > v) swap(u, v);
Bridge(u, v);
}
void go(int from, vector<int> comp) {
int id = rng() % (comp.size());
int to = comp[id];
swap(comp[id], comp.back());
comp.pop_back();
vector<int> path;
vector<pair<int, int>> vals;
for (int v : comp) {
int u = Query(from, to, v);
if (u == v) {
path.push_back(v);
} else {
vals.emplace_back(u, v);
}
}
if (path.empty()) {
addEdge(from, to);
} else {
sort(path.begin(), path.end(), [&](int x, int y) {
return Query(from, x, y) == x;
});
addEdge(from, path[0]);
for (int i = 0; i + 1 < path.size(); ++i) {
addEdge(path[i], path[i + 1]);
}
addEdge(path.back(), to);
}
sort(vals.begin(), vals.end());
int l = 0;
while (l < vals.size()) {
vector<int> ncomp;
int r = l;
while (r < vals.size() && vals[l].first == vals[r].first) {
ncomp.push_back(vals[r++].second);
}
go(vals[l].first, ncomp);
l = r;
}
}
void Solve(int n) {
vector<int> comp(n - 1);
iota(comp.begin(), comp.end(), 1);
go(0, comp);
}
Compilation message
meetings.cpp: In function 'void go(int, std::vector<int>)':
meetings.cpp:34:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i + 1 < path.size(); ++i) {
~~~~~~^~~~~~~~~~~~~
meetings.cpp:41:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (l < vals.size()) {
~~^~~~~~~~~~~~~
meetings.cpp:44:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (r < vals.size() && vals[l].first == vals[r].first) {
~~^~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
2 ms |
380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
248 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
248 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
296 KB |
Output is correct |
| 12 |
Correct |
2 ms |
248 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 |
380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
248 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
248 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
296 KB |
Output is correct |
| 12 |
Correct |
2 ms |
248 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 |
380 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
376 KB |
Output is correct |
| 19 |
Correct |
3 ms |
376 KB |
Output is correct |
| 20 |
Correct |
2 ms |
376 KB |
Output is correct |
| 21 |
Correct |
2 ms |
376 KB |
Output is correct |
| 22 |
Correct |
2 ms |
376 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 |
376 KB |
Output is correct |
| 26 |
Correct |
2 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
2 ms |
380 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
248 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
248 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
296 KB |
Output is correct |
| 12 |
Correct |
2 ms |
248 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 |
380 KB |
Output is correct |
| 16 |
Correct |
2 ms |
376 KB |
Output is correct |
| 17 |
Correct |
2 ms |
376 KB |
Output is correct |
| 18 |
Correct |
2 ms |
376 KB |
Output is correct |
| 19 |
Correct |
3 ms |
376 KB |
Output is correct |
| 20 |
Correct |
2 ms |
376 KB |
Output is correct |
| 21 |
Correct |
2 ms |
376 KB |
Output is correct |
| 22 |
Correct |
2 ms |
376 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 |
376 KB |
Output is correct |
| 26 |
Correct |
2 ms |
376 KB |
Output is correct |
| 27 |
Correct |
6 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 |
6 ms |
376 KB |
Output is correct |
| 31 |
Correct |
6 ms |
504 KB |
Output is correct |
| 32 |
Correct |
8 ms |
400 KB |
Output is correct |
| 33 |
Correct |
13 ms |
376 KB |
Output is correct |
| 34 |
Correct |
17 ms |
504 KB |
Output is correct |
| 35 |
Correct |
16 ms |
376 KB |
Output is correct |
| 36 |
Correct |
6 ms |
376 KB |
Output is correct |
| 37 |
Correct |
10 ms |
504 KB |
Output is correct |
| 38 |
Correct |
13 ms |
376 KB |
Output is correct |
| 39 |
Correct |
8 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
715 ms |
972 KB |
Output is correct |
| 2 |
Correct |
796 ms |
788 KB |
Output is correct |
| 3 |
Correct |
837 ms |
620 KB |
Output is correct |
| 4 |
Correct |
680 ms |
680 KB |
Output is correct |
| 5 |
Correct |
387 ms |
952 KB |
Output is correct |
| 6 |
Correct |
367 ms |
680 KB |
Output is correct |
| 7 |
Correct |
621 ms |
840 KB |
Output is correct |
| 8 |
Correct |
810 ms |
1016 KB |
Output is correct |
| 9 |
Correct |
835 ms |
900 KB |
Output is correct |
| 10 |
Correct |
774 ms |
916 KB |
Output is correct |
| 11 |
Correct |
906 ms |
752 KB |
Output is correct |
| 12 |
Correct |
673 ms |
808 KB |
Output is correct |
| 13 |
Correct |
360 ms |
796 KB |
Output is correct |
| 14 |
Correct |
537 ms |
796 KB |
Output is correct |
| 15 |
Correct |
450 ms |
724 KB |
Output is correct |
| 16 |
Correct |
557 ms |
940 KB |
Output is correct |
| 17 |
Correct |
868 ms |
892 KB |
Output is correct |
| 18 |
Correct |
450 ms |
760 KB |
Output is correct |
| 19 |
Correct |
476 ms |
912 KB |
Output is correct |
| 20 |
Correct |
515 ms |
760 KB |
Output is correct |
| 21 |
Correct |
566 ms |
1020 KB |
Output is correct |
| 22 |
Correct |
532 ms |
728 KB |
Output is correct |
| 23 |
Correct |
610 ms |
632 KB |
Output is correct |
| 24 |
Correct |
505 ms |
876 KB |
Output is correct |
| 25 |
Correct |
545 ms |
740 KB |
Output is correct |
| 26 |
Correct |
514 ms |
852 KB |
Output is correct |
| 27 |
Correct |
546 ms |
888 KB |
Output is correct |
| 28 |
Correct |
1026 ms |
836 KB |
Output is correct |
| 29 |
Correct |
759 ms |
1020 KB |
Output is correct |
| 30 |
Correct |
787 ms |
740 KB |
Output is correct |
| 31 |
Correct |
840 ms |
852 KB |
Output is correct |
| 32 |
Correct |
1595 ms |
876 KB |
Output is correct |
| 33 |
Correct |
853 ms |
1068 KB |
Output is correct |
| 34 |
Correct |
7 ms |
380 KB |
Output is correct |
| 35 |
Correct |
7 ms |
376 KB |
Output is correct |
| 36 |
Correct |
6 ms |
376 KB |
Output is correct |
| 37 |
Correct |
6 ms |
376 KB |
Output is correct |
| 38 |
Correct |
7 ms |
504 KB |
Output is correct |
| 39 |
Correct |
8 ms |
376 KB |
Output is correct |
| 40 |
Correct |
14 ms |
504 KB |
Output is correct |
| 41 |
Correct |
17 ms |
376 KB |
Output is correct |
| 42 |
Correct |
16 ms |
504 KB |
Output is correct |
| 43 |
Correct |
6 ms |
376 KB |
Output is correct |
| 44 |
Correct |
10 ms |
376 KB |
Output is correct |
| 45 |
Correct |
13 ms |
504 KB |
Output is correct |
| 46 |
Correct |
8 ms |
504 KB |
Output is correct |
| 47 |
Correct |
2 ms |
376 KB |
Output is correct |
| 48 |
Correct |
2 ms |
248 KB |
Output is correct |
| 49 |
Correct |
2 ms |
376 KB |
Output is correct |
| 50 |
Correct |
2 ms |
376 KB |
Output is correct |
| 51 |
Correct |
2 ms |
252 KB |
Output is correct |
| 52 |
Correct |
2 ms |
376 KB |
Output is correct |
| 53 |
Correct |
2 ms |
376 KB |
Output is correct |
| 54 |
Correct |
3 ms |
376 KB |
Output is correct |
| 55 |
Correct |
2 ms |
376 KB |
Output is correct |
| 56 |
Correct |
2 ms |
376 KB |
Output is correct |
| 57 |
Correct |
2 ms |
376 KB |
Output is correct |
| 58 |
Correct |
2 ms |
376 KB |
Output is correct |
| 59 |
Correct |
2 ms |
376 KB |
Output is correct |
| 60 |
Correct |
2 ms |
376 KB |
Output is correct |
| 61 |
Correct |
2 ms |
248 KB |
Output is correct |
| 62 |
Correct |
2 ms |
252 KB |
Output is correct |
| 63 |
Correct |
2 ms |
248 KB |
Output is correct |
| 64 |
Correct |
2 ms |
248 KB |
Output is correct |
| 65 |
Correct |
2 ms |
376 KB |
Output is correct |
| 66 |
Correct |
2 ms |
248 KB |
Output is correct |
| 67 |
Correct |
2 ms |
376 KB |
Output is correct |
| 68 |
Correct |
2 ms |
248 KB |
Output is correct |
| 69 |
Correct |
2 ms |
252 KB |
Output is correct |
| 70 |
Correct |
2 ms |
248 KB |
Output is correct |
| 71 |
Correct |
2 ms |
248 KB |
Output is correct |
| 72 |
Correct |
2 ms |
376 KB |
Output is correct |
