oj.uz

Submission #1086410

# Submission time Handle Problem Language Result Execution time Memory
1086410 2024-09-10T14:18:01 Z juicy ICC (CEOI16_icc) C++17
90 / 100
 123 ms 676 KB 
#include "icc.h"
 
#include <bits/stdc++.h>
 
using namespace std;
 
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int N = 105;
 
int pr[N];
vector<int> ver[N];
 
int qry(vector<int> a, vector<int> b) {
  return query(a.size(), b.size(), &a[0], &b[0]);
}
 
int find(int u) {
  return pr[u] == u ? u : pr[u] = find(pr[u]); 
}
 
int find(vector<int> a, vector<int> b) {
  if (a.size() == 1) {
    return a[0];
  }
  int m = a.size() / 2;
  auto lt = vector(a.begin(), a.begin() + m), rt = vector(a.begin() + m, a.end());
  return qry(lt, b) ? find(lt, b) : find(rt, b);
}
 
void run(int n) {
  iota(pr, pr + n, 0);
  for (int i = 0; i < n; ++i) {
    ver[i].push_back(i + 1);
  }
  for (int e = 0; e < n - 1; ++e) {
    vector<int> root;
    for (int i = 0; i < n; ++i) {
      if (pr[i] == i) {
        root.push_back(i);
      }
    }
    shuffle(root.begin(), root.end(), rng);
    int m = root.size();
    vector<int> a, b;
    for (int i = 0; (1 << i) < m; ++i) {
      vector<int>().swap(a);
      vector<int>().swap(b);
      for (int j = 0; j < m; ++j) {
        auto &v = j >> i & 1 ? a : b;
        v.insert(v.end(), ver[root[j]].begin(), ver[root[j]].end());
      }
      if (qry(a, b)) {
        break;
      }
    }
    int u = find(a, b), v = find(b, a);
    setRoad(u, v);
    --u, --v;
    for (int x : ver[pr[v]]) {
      pr[x - 1] = pr[u];
      ver[pr[u]].push_back(x);
    }
  }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 600 KB Ok! 105 queries used.
2 Correct 5 ms 604 KB Ok! 100 queries used.

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 652 KB Ok! 534 queries used.
2 Correct 31 ms 604 KB Ok! 686 queries used.
3 Correct 31 ms 604 KB Ok! 690 queries used.

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 600 KB Ok! 1434 queries used.
2 Correct 97 ms 604 KB Ok! 1682 queries used.
3 Correct 90 ms 676 KB Ok! 1594 queries used.
4 Correct 87 ms 600 KB Ok! 1535 queries used.

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 600 KB Ok! 1495 queries used.
2 Correct 84 ms 600 KB Ok! 1442 queries used.
3 Correct 123 ms 656 KB Ok! 1664 queries used.
4 Correct 86 ms 664 KB Ok! 1473 queries used.

Subtask #5
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 604 KB Ok! 1656 queries used.
2 Correct 96 ms 668 KB Ok! 1666 queries used.
3 Correct 98 ms 668 KB Ok! 1686 queries used.
4 Correct 101 ms 656 KB Ok! 1627 queries used.
5 Correct 86 ms 656 KB Ok! 1517 queries used.
6 Correct 92 ms 604 KB Ok! 1592 queries used.

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 96 ms 600 KB Too many queries! 1662 out of 1625
2 Halted 0 ms 0 KB -