oj.uz

Submission #896830

# Submission time Handle Problem Language Result Execution time Memory
896830 2024-01-02T09:15:04 Z NeroZein Meetings (JOI19_meetings) C++17
100 / 100
 577 ms 1236 KB 
#include "meetings.h"
#include <bits/stdc++.h>

using namespace std; 

int crt;

bool cmp(int i, int j) {
  return (Query(crt, i, j) == i);
}

void rec(int root, vector<int>& vec) {
  if (vec.empty()) return; 
  crt = root;
  map<int, vector<int>> newvec; 
  int v = vec[rand() % vec.size()];
  vector<int> onpath = {root, v};
  for (int u : vec) {
    if (u != v) {
      int q = Query(root, v, u);
      if (q == u) {
        onpath.push_back(u);
      } else {
        newvec[q].push_back(u);
      }
    }
  }
  sort(onpath.begin() + 1, onpath.end(), cmp);
  for (int i = 1; i < (int) onpath.size(); ++i) {
    int x = onpath[i - 1], y = onpath[i];
    if (x > y) swap(x, y);
    Bridge(x, y);
  }
  for (int u : onpath) {
    rec(u, newvec[u]); 
  }
}

void Solve(int N) {
  int root = rand() % N;
  vector<int> vec;
  for (int i = 0; i < N; ++i) {
    if (i != root) {
      vec.push_back(i);
    }
  }
  rec(root, vec); 
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 5 ms 596 KB Output is correct
28 Correct 4 ms 496 KB Output is correct
29 Correct 4 ms 344 KB Output is correct
30 Correct 4 ms 344 KB Output is correct
31 Correct 3 ms 344 KB Output is correct
32 Correct 4 ms 344 KB Output is correct
33 Correct 7 ms 344 KB Output is correct
34 Correct 9 ms 344 KB Output is correct
35 Correct 9 ms 344 KB Output is correct
36 Correct 4 ms 344 KB Output is correct
37 Correct 7 ms 344 KB Output is correct
38 Correct 10 ms 524 KB Output is correct
39 Correct 5 ms 540 KB Output is correct

Subtask #4
71.0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 230 ms 728 KB Output is correct
2 Correct 247 ms 960 KB Output is correct
3 Correct 293 ms 736 KB Output is correct
4 Correct 251 ms 636 KB Output is correct
5 Correct 199 ms 924 KB Output is correct
6 Correct 172 ms 600 KB Output is correct
7 Correct 371 ms 664 KB Output is correct
8 Correct 429 ms 600 KB Output is correct
9 Correct 442 ms 996 KB Output is correct
10 Correct 419 ms 600 KB Output is correct
11 Correct 496 ms 952 KB Output is correct
12 Correct 297 ms 848 KB Output is correct
13 Correct 126 ms 700 KB Output is correct
14 Correct 281 ms 684 KB Output is correct
15 Correct 244 ms 600 KB Output is correct
16 Correct 250 ms 1104 KB Output is correct
17 Correct 417 ms 680 KB Output is correct
18 Correct 235 ms 1236 KB Output is correct
19 Correct 232 ms 744 KB Output is correct
20 Correct 280 ms 600 KB Output is correct
21 Correct 314 ms 848 KB Output is correct
22 Correct 251 ms 684 KB Output is correct
23 Correct 254 ms 776 KB Output is correct
24 Correct 231 ms 600 KB Output is correct
25 Correct 244 ms 600 KB Output is correct
26 Correct 218 ms 676 KB Output is correct
27 Correct 251 ms 852 KB Output is correct
28 Correct 487 ms 600 KB Output is correct
29 Correct 403 ms 776 KB Output is correct
30 Correct 426 ms 848 KB Output is correct
31 Correct 487 ms 600 KB Output is correct
32 Correct 577 ms 900 KB Output is correct
33 Correct 332 ms 720 KB Output is correct
34 Correct 5 ms 344 KB Output is correct
35 Correct 3 ms 344 KB Output is correct
36 Correct 4 ms 592 KB Output is correct
37 Correct 4 ms 344 KB Output is correct
38 Correct 3 ms 344 KB Output is correct
39 Correct 4 ms 344 KB Output is correct
40 Correct 7 ms 344 KB Output is correct
41 Correct 9 ms 344 KB Output is correct
42 Correct 9 ms 344 KB Output is correct
43 Correct 4 ms 344 KB Output is correct
44 Correct 7 ms 344 KB Output is correct
45 Correct 9 ms 536 KB Output is correct
46 Correct 5 ms 344 KB Output is correct
47 Correct 0 ms 344 KB Output is correct
48 Correct 0 ms 344 KB Output is correct
49 Correct 1 ms 344 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 344 KB Output is correct
52 Correct 0 ms 344 KB Output is correct
53 Correct 0 ms 344 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 0 ms 344 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 0 ms 344 KB Output is correct
58 Correct 1 ms 344 KB Output is correct
59 Correct 1 ms 344 KB Output is correct
60 Correct 0 ms 344 KB Output is correct
61 Correct 0 ms 344 KB Output is correct
62 Correct 0 ms 344 KB Output is correct
63 Correct 0 ms 344 KB Output is correct
64 Correct 0 ms 344 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 0 ms 344 KB Output is correct
67 Correct 0 ms 344 KB Output is correct
68 Correct 0 ms 344 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 0 ms 344 KB Output is correct
71 Correct 0 ms 344 KB Output is correct
72 Correct 0 ms 344 KB Output is correct