#include "meetings.h"
#include <bits/stdc++.h>
using namespace std;
void solve(vector<int> V) {
if (V.size() < 2) return;
int a = V[rand()%V.size()], b = V[rand()%V.size()];
while (b == a) {
b = V[rand()%V.size()];
}
map<int, vector<int>> subtrees;
vector<int> roots = {a};
map<int, bool> seen, pushed;
seen[a] = seen[b] = true;
for (int i : V) {
if (seen[i]) continue;
int c = Query(i, a, b);
subtrees[c].push_back(i);
pushed[c] |= c == i;
if (!seen[c]) {
roots.push_back(c);
seen[c] = true;
}
}
roots.push_back(b);
sort(roots.begin(), roots.end(), [&](const int &i, const int &j) {
return i == a || j == b ? true : i == b || j == a ? false : Query(a, i, j) == i;
});
for (int i = 0; i+1 < roots.size(); i++) {
Bridge(min(roots[i], roots[i+1]), max(roots[i], roots[i+1]));
}
//cerr << "Path: " << a << ", " << b << '\n';
for (int i : roots) {
if (!pushed[i]) {
subtrees[i].push_back(i);
}
//cerr << "Root: " << i << '\n';
solve(subtrees[i]);
}
}
void Solve(int N) {
srand(time(NULL));
vector<int> v(N);
iota(v.begin(), v.end(), 0);
solve(v);
}
Compilation message
meetings.cpp: In function 'void solve(std::vector<int>)':
meetings.cpp:31:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
31 | for (int i = 0; i+1 < roots.size(); i++) {
| ~~~~^~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
0 ms |
336 KB |
Output is correct |
| 4 |
Correct |
0 ms |
336 KB |
Output is correct |
| 5 |
Correct |
0 ms |
336 KB |
Output is correct |
| 6 |
Correct |
0 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
336 KB |
Output is correct |
| 8 |
Correct |
0 ms |
336 KB |
Output is correct |
| 9 |
Correct |
0 ms |
336 KB |
Output is correct |
| 10 |
Correct |
0 ms |
336 KB |
Output is correct |
| 11 |
Correct |
0 ms |
336 KB |
Output is correct |
| 12 |
Correct |
0 ms |
336 KB |
Output is correct |
| 13 |
Correct |
0 ms |
336 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
0 ms |
336 KB |
Output is correct |
| 4 |
Correct |
0 ms |
336 KB |
Output is correct |
| 5 |
Correct |
0 ms |
336 KB |
Output is correct |
| 6 |
Correct |
0 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
336 KB |
Output is correct |
| 8 |
Correct |
0 ms |
336 KB |
Output is correct |
| 9 |
Correct |
0 ms |
336 KB |
Output is correct |
| 10 |
Correct |
0 ms |
336 KB |
Output is correct |
| 11 |
Correct |
0 ms |
336 KB |
Output is correct |
| 12 |
Correct |
0 ms |
336 KB |
Output is correct |
| 13 |
Correct |
0 ms |
336 KB |
Output is correct |
| 14 |
Correct |
1 ms |
336 KB |
Output is correct |
| 15 |
Correct |
1 ms |
336 KB |
Output is correct |
| 16 |
Correct |
0 ms |
336 KB |
Output is correct |
| 17 |
Correct |
0 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
1 ms |
336 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
336 KB |
Output is correct |
| 24 |
Correct |
1 ms |
336 KB |
Output is correct |
| 25 |
Correct |
1 ms |
336 KB |
Output is correct |
| 26 |
Correct |
1 ms |
336 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
336 KB |
Output is correct |
| 3 |
Correct |
0 ms |
336 KB |
Output is correct |
| 4 |
Correct |
0 ms |
336 KB |
Output is correct |
| 5 |
Correct |
0 ms |
336 KB |
Output is correct |
| 6 |
Correct |
0 ms |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
336 KB |
Output is correct |
| 8 |
Correct |
0 ms |
336 KB |
Output is correct |
| 9 |
Correct |
0 ms |
336 KB |
Output is correct |
| 10 |
Correct |
0 ms |
336 KB |
Output is correct |
| 11 |
Correct |
0 ms |
336 KB |
Output is correct |
| 12 |
Correct |
0 ms |
336 KB |
Output is correct |
| 13 |
Correct |
0 ms |
336 KB |
Output is correct |
| 14 |
Correct |
1 ms |
336 KB |
Output is correct |
| 15 |
Correct |
1 ms |
336 KB |
Output is correct |
| 16 |
Correct |
0 ms |
336 KB |
Output is correct |
| 17 |
Correct |
0 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
336 KB |
Output is correct |
| 21 |
Correct |
1 ms |
336 KB |
Output is correct |
| 22 |
Correct |
1 ms |
336 KB |
Output is correct |
| 23 |
Correct |
1 ms |
336 KB |
Output is correct |
| 24 |
Correct |
1 ms |
336 KB |
Output is correct |
| 25 |
Correct |
1 ms |
336 KB |
Output is correct |
| 26 |
Correct |
1 ms |
336 KB |
Output is correct |
| 27 |
Correct |
4 ms |
336 KB |
Output is correct |
| 28 |
Correct |
4 ms |
336 KB |
Output is correct |
| 29 |
Correct |
3 ms |
336 KB |
Output is correct |
| 30 |
Correct |
3 ms |
336 KB |
Output is correct |
| 31 |
Correct |
3 ms |
336 KB |
Output is correct |
| 32 |
Correct |
3 ms |
336 KB |
Output is correct |
| 33 |
Correct |
5 ms |
464 KB |
Output is correct |
| 34 |
Correct |
6 ms |
464 KB |
Output is correct |
| 35 |
Correct |
7 ms |
416 KB |
Output is correct |
| 36 |
Correct |
3 ms |
336 KB |
Output is correct |
| 37 |
Correct |
8 ms |
424 KB |
Output is correct |
| 38 |
Correct |
6 ms |
464 KB |
Output is correct |
| 39 |
Correct |
5 ms |
420 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
162 ms |
732 KB |
Output is correct |
| 2 |
Correct |
227 ms |
936 KB |
Output is correct |
| 3 |
Correct |
176 ms |
872 KB |
Output is correct |
| 4 |
Correct |
206 ms |
916 KB |
Output is correct |
| 5 |
Correct |
156 ms |
632 KB |
Output is correct |
| 6 |
Correct |
170 ms |
872 KB |
Output is correct |
| 7 |
Correct |
245 ms |
776 KB |
Output is correct |
| 8 |
Correct |
261 ms |
972 KB |
Output is correct |
| 9 |
Correct |
273 ms |
904 KB |
Output is correct |
| 10 |
Correct |
244 ms |
1088 KB |
Output is correct |
| 11 |
Correct |
283 ms |
936 KB |
Output is correct |
| 12 |
Correct |
208 ms |
912 KB |
Output is correct |
| 13 |
Correct |
135 ms |
824 KB |
Output is correct |
| 14 |
Correct |
197 ms |
908 KB |
Output is correct |
| 15 |
Correct |
147 ms |
948 KB |
Output is correct |
| 16 |
Correct |
170 ms |
712 KB |
Output is correct |
| 17 |
Correct |
251 ms |
864 KB |
Output is correct |
| 18 |
Correct |
186 ms |
792 KB |
Output is correct |
| 19 |
Correct |
184 ms |
920 KB |
Output is correct |
| 20 |
Correct |
215 ms |
800 KB |
Output is correct |
| 21 |
Correct |
214 ms |
800 KB |
Output is correct |
| 22 |
Correct |
191 ms |
928 KB |
Output is correct |
| 23 |
Correct |
172 ms |
908 KB |
Output is correct |
| 24 |
Correct |
149 ms |
732 KB |
Output is correct |
| 25 |
Correct |
155 ms |
820 KB |
Output is correct |
| 26 |
Correct |
191 ms |
856 KB |
Output is correct |
| 27 |
Correct |
192 ms |
824 KB |
Output is correct |
| 28 |
Correct |
351 ms |
1136 KB |
Output is correct |
| 29 |
Correct |
226 ms |
1056 KB |
Output is correct |
| 30 |
Correct |
274 ms |
1000 KB |
Output is correct |
| 31 |
Correct |
314 ms |
988 KB |
Output is correct |
| 32 |
Correct |
606 ms |
1180 KB |
Output is correct |
| 33 |
Correct |
1504 ms |
1084 KB |
Output is correct |
| 34 |
Correct |
4 ms |
336 KB |
Output is correct |
| 35 |
Correct |
3 ms |
336 KB |
Output is correct |
| 36 |
Correct |
4 ms |
376 KB |
Output is correct |
| 37 |
Correct |
4 ms |
376 KB |
Output is correct |
| 38 |
Correct |
3 ms |
336 KB |
Output is correct |
| 39 |
Correct |
4 ms |
336 KB |
Output is correct |
| 40 |
Correct |
5 ms |
456 KB |
Output is correct |
| 41 |
Correct |
6 ms |
480 KB |
Output is correct |
| 42 |
Correct |
6 ms |
464 KB |
Output is correct |
| 43 |
Correct |
3 ms |
336 KB |
Output is correct |
| 44 |
Correct |
9 ms |
464 KB |
Output is correct |
| 45 |
Correct |
7 ms |
448 KB |
Output is correct |
| 46 |
Correct |
6 ms |
336 KB |
Output is correct |
| 47 |
Correct |
1 ms |
336 KB |
Output is correct |
| 48 |
Correct |
1 ms |
336 KB |
Output is correct |
| 49 |
Correct |
0 ms |
336 KB |
Output is correct |
| 50 |
Correct |
0 ms |
336 KB |
Output is correct |
| 51 |
Correct |
1 ms |
336 KB |
Output is correct |
| 52 |
Correct |
1 ms |
336 KB |
Output is correct |
| 53 |
Correct |
1 ms |
336 KB |
Output is correct |
| 54 |
Correct |
1 ms |
336 KB |
Output is correct |
| 55 |
Correct |
1 ms |
336 KB |
Output is correct |
| 56 |
Correct |
1 ms |
336 KB |
Output is correct |
| 57 |
Correct |
1 ms |
336 KB |
Output is correct |
| 58 |
Correct |
1 ms |
336 KB |
Output is correct |
| 59 |
Correct |
1 ms |
336 KB |
Output is correct |
| 60 |
Correct |
1 ms |
336 KB |
Output is correct |
| 61 |
Correct |
1 ms |
336 KB |
Output is correct |
| 62 |
Correct |
0 ms |
336 KB |
Output is correct |
| 63 |
Correct |
0 ms |
336 KB |
Output is correct |
| 64 |
Correct |
0 ms |
336 KB |
Output is correct |
| 65 |
Correct |
0 ms |
336 KB |
Output is correct |
| 66 |
Correct |
0 ms |
336 KB |
Output is correct |
| 67 |
Correct |
0 ms |
336 KB |
Output is correct |
| 68 |
Correct |
0 ms |
336 KB |
Output is correct |
| 69 |
Correct |
0 ms |
336 KB |
Output is correct |
| 70 |
Correct |
0 ms |
336 KB |
Output is correct |
| 71 |
Correct |
1 ms |
336 KB |
Output is correct |
| 72 |
Correct |
0 ms |
336 KB |
Output is correct |
