Submission #958392

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
958392	2024-04-05T17:46:51 Z	AkibAzmain	Mechanical Doll (IOI18_doll)	C++17	6 / 100	62 ms	12356 KB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

void create_circuit(int m, std::vector<int> a) {
  int p = 0;
  a.push_back (0);
  vector < vector < int > > adj (m + 1);
  for (auto &x : a) adj[p].push_back (x), p = x;
  vector < int > c (m + 1), x, y;
  x.reserve (a.size () * 2);
  y.reserve (a.size () * 2);
  for (int i = 0; i <= m; ++i)
    {
      if (adj[i].empty ()) continue;
      if (adj[i].size () == 1)
        {
          c[i] = adj[i][0];
          continue;
        }
      int vt = 1, vtt = 0;
      while (vt < adj[i].size ()) vt *= 2, ++vtt;
      vector < int > v (vt, -(x.size () + 1));
      for (int j = 0; j < adj[i].size (); ++j)
        {
          int k = j, q = 0;
          for (int p = 0; p < vtt; ++p) q = q * 2 + k % 2, k /= 2;
          v[q] = adj[i][j];
        }
      auto f = [&] (auto &self, int &p, int l, int r) -> void
      {
        if (l + 1 == r) p = v[l];
        else
          {
            int m = (l + r) / 2;
            x.push_back (0), y.push_back (0);
            p = -x.size ();
            self (self, x.back (), l, m);
            self (self, y.back (), m, r);
          }
      };
      f (f, c[i], 0, vt);
    }
  answer (c, x, y);
}

Compilation message

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:23:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |       while (vt < adj[i].size ()) vt *= 2, ++vtt;
      |              ~~~^~~~~~~~~~~~~~~~
doll.cpp:25:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |       for (int j = 0; j < adj[i].size (); ++j)
      |                       ~~^~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	19 ms	6996 KB	Output is correct
3	Correct	16 ms	5720 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	9 ms	3932 KB	Output is correct
6	Correct	25 ms	8404 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct

Subtask #2
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	19 ms	6996 KB	Output is correct
3	Correct	16 ms	5720 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	9 ms	3932 KB	Output is correct
6	Correct	25 ms	8404 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	41 ms	8272 KB	Output is correct
9	Correct	36 ms	9512 KB	Output is correct
10	Correct	51 ms	12352 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct

Subtask #3
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	19 ms	6996 KB	Output is correct
3	Correct	16 ms	5720 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	9 ms	3932 KB	Output is correct
6	Correct	25 ms	8404 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	41 ms	8272 KB	Output is correct
9	Correct	36 ms	9512 KB	Output is correct
10	Correct	51 ms	12352 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Incorrect	62 ms	12356 KB	wrong motion
15	Halted	0 ms	0 KB	-