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Submission #893302

# Submission time Handle Problem Language Result Execution time Memory
893302 2023-12-26T21:46:02 Z MilosMilutinovic Fun Tour (APIO20_fun) C++14
100 / 100
 175 ms 21192 KB 
#include "fun.h"
#include <bits/stdc++.h>

using namespace std;

vector<int> createFunTour(int n, int q) {
  auto AskDist = [&](int x, int y) {
    return hoursRequired(x, y);
  };
  auto AskSize = [&](int x, int y) {
    return attractionsBehind(x, y);
  };
  int cen = 0;
  for (int i = 1; i < n; i++) {
    if (AskSize(cen, i) * 2 >= n) {
      cen = i;
    }
  }
  vector<int> dist(n);
  for (int i = 0; i < n; i++) {
    if (i == cen) {
      continue;
    }
    dist[i] = AskDist(cen, i);
  }
  vector<int> ch;
  for (int i = 0; i < n; i++) {
    if (dist[i] == 1) {
      ch.push_back(i);
    }
  }
  int k = (int) ch.size();
  if (k < 1 || k > 3) {
    while (true) {

    }
  }
  vector<vector<int>> ids(k);
  for (int i = 0; i < n; i++) {
    if (i == cen) {
      continue;
    }
    int p = k - 1;
    for (int j = 0; j + 1 < k; j++) {
      if (AskDist(ch[j], i) == dist[i] - dist[ch[j]]) {
        p = j;
      }
    }
    ids[p].push_back(i);
  }
  for (int i = 0; i < k; i++) {
    sort(ids[i].begin(), ids[i].end(), [&](int i, int j) {
      return dist[i] < dist[j];
    });
  }
  auto Good = [&]() {
    int mx = 0, cnt = 0;
    for (int i = 0; i < k; i++) {
      mx = max(mx, (int) ids[i].size());
      cnt += (int) ids[i].size();
    }
    return mx < cnt - mx && mx > 0;
  };
  int lst = -1;
  vector<int> res;
  vector<int> group;
  while (Good()) {
    int who = -1;
    for (int i = 0; i < k; i++) {
      if (i == lst || ids[i].empty()) {
        continue;
      }
      if (who == -1 || dist[ids[who].back()] < dist[ids[i].back()]) {
        who = i;
      }
    }
    group.push_back(who);
    res.push_back(ids[who].back());
    ids[who].pop_back();
    lst = who;
  }
  int big = 0;
  for (int i = 0; i < k; i++) {
    if (ids[i].size() > ids[big].size()) {
      big = i;
    }
  }
  if ((int) group.size() >= 2 && !ids[group.rbegin()[1]].empty() && 
      dist[ids[group.rbegin()[1]].back()] > dist[ids[big].back()]) {
    res.push_back(ids[group.rbegin()[1]].back());
    ids[group.rbegin()[1]].pop_back();
  }
  while (!ids[big].empty()) {
    res.push_back(ids[big].back());
    ids[big].pop_back();
    int who = -1;
    for (int i = 0; i < k; i++) {
      if (i == big || ids[i].empty()) {
        continue;
      }
      if (who == -1 || dist[ids[who].back()] < dist[ids[i].back()]) {
        who = i;
      }
    }
    if (who != -1) {
      res.push_back(ids[who].back());
      ids[who].pop_back();
    }
  }
  res.push_back(cen);
  return res;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 356 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 356 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 91 ms 15356 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 2 ms 604 KB Output is correct
22 Correct 4 ms 1372 KB Output is correct
23 Correct 8 ms 2140 KB Output is correct
24 Correct 12 ms 3112 KB Output is correct
25 Correct 58 ms 8932 KB Output is correct

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 356 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 7 ms 1668 KB Output is correct
15 Correct 99 ms 15480 KB Output is correct
16 Correct 116 ms 15696 KB Output is correct
17 Correct 18 ms 3932 KB Output is correct
18 Correct 44 ms 7140 KB Output is correct
19 Correct 75 ms 12044 KB Output is correct
20 Correct 3 ms 856 KB Output is correct

Subtask #5
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 356 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 91 ms 15356 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 604 KB Output is correct
47 Correct 2 ms 604 KB Output is correct
48 Correct 4 ms 1372 KB Output is correct
49 Correct 8 ms 2140 KB Output is correct
50 Correct 12 ms 3112 KB Output is correct
51 Correct 58 ms 8932 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 7 ms 1668 KB Output is correct
54 Correct 99 ms 15480 KB Output is correct
55 Correct 116 ms 15696 KB Output is correct
56 Correct 18 ms 3932 KB Output is correct
57 Correct 44 ms 7140 KB Output is correct
58 Correct 75 ms 12044 KB Output is correct
59 Correct 3 ms 856 KB Output is correct
60 Correct 104 ms 16184 KB Output is correct
61 Correct 124 ms 18588 KB Output is correct
62 Correct 113 ms 16316 KB Output is correct
63 Correct 125 ms 20064 KB Output is correct
64 Correct 122 ms 20040 KB Output is correct
65 Correct 129 ms 16348 KB Output is correct
66 Correct 144 ms 18380 KB Output is correct
67 Correct 137 ms 20216 KB Output is correct
68 Correct 175 ms 19320 KB Output is correct
69 Correct 165 ms 20652 KB Output is correct
70 Correct 110 ms 16588 KB Output is correct
71 Correct 135 ms 20944 KB Output is correct
72 Correct 142 ms 18888 KB Output is correct
73 Correct 141 ms 19452 KB Output is correct
74 Correct 174 ms 21192 KB Output is correct
75 Correct 117 ms 16332 KB Output is correct
76 Correct 126 ms 20004 KB Output is correct
77 Correct 136 ms 20164 KB Output is correct
78 Correct 133 ms 19404 KB Output is correct
79 Correct 145 ms 20968 KB Output is correct
80 Correct 139 ms 20940 KB Output is correct
81 Correct 127 ms 17100 KB Output is correct
82 Correct 126 ms 16588 KB Output is correct
83 Correct 132 ms 16528 KB Output is correct
84 Correct 47 ms 7080 KB Output is correct