oj.uz

Submission #835308

# Submission time Handle Problem Language Result Execution time Memory
835308 2023-08-23T12:19:36 Z Pablo_No Mechanical Doll (IOI18_doll) C++17
100 / 100
 90 ms 16700 KB 
#include "doll.h"
  
#include <vector>
#include <algorithm>
#include <iostream>
  
using namespace std;

vector<int> X;
vector<int> Y;
  
vector<int> prec[50];
  
vector<int> constrv(int dep)
{
  if(!prec[dep].empty())
    return prec[dep];
  
  vector<int> ans(1, 0);
  
  for(int d = 0; d < dep; d++)
  {
    vector<int> nans;
    for(int k = 0; k < (1 << d); k++)
    {
      nans.push_back(ans[k]);
      nans.push_back(ans[k]+(1 << d));
    }
    ans = nans;
  }
  
  return prec[dep] = ans;
}
  
int constr(const vector<int>& rem, int l, int r)
{
  bool eq = true;
  for(int i = l; i <= r; i++) if(rem[i] != rem[l])
      eq = false;
    
  if(eq)
  {
    return rem[l];
  }
  
  int id = X.size();
  X.push_back(0);
  Y.push_back(0);
  
  int na = constr(rem, l, l+(r-l+1)/2-1);
  int nb = constr(rem, l+(r-l+1)/2, r);
  
  X[id] = na;
  Y[id] = nb;
  
  return -id-1;
}

const int N = 2e5+5;

vector<int> pos[N];
  
void create_circuit(int M, std::vector<int> A) {
  int N = A.size();
  vector<int> st(M+1, -1);
  
  pos[0].push_back(A[0]);
  
  for(int i = 0; i < N-1; i++)
  {
    pos[0].push_back(A[i+1]);
  }
  
  pos[0].push_back(0);
  
  for(int i = 0; i <= 0; i++)
  {
    if(pos[i].size() == 1)
    {
      st[i] = pos[i][0];
      continue;
    }
  
    int ni = pos[i].size();
    int log = __builtin_clz(1)-__builtin_clz((int)pos[i].size()-1)+1;
    int p2 = (1 << log);
  
    vector<int> m = constrv(log);
  
    vector<pair<int, int>> pm;
    for(int k = p2-ni; k < p2; k++)
    {
      pm.push_back({m[k], k});
    }
  
    vector<int> toc(p2, -X.size()-1);
  
    sort(pm.begin(), pm.end());
  
    for(int k = 0; k < pm.size(); k++)
    {
      auto [aa, bb] = pm[k];
      toc[bb] = pos[i][k];
    }
  
    st[i] = constr(toc, 0, toc.size()-1);
  }

  answer(st, X, Y);
}

Compilation message

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:100:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  100 |     for(int k = 0; k < pm.size(); k++)
      |                    ~~^~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 30 ms 10144 KB Output is correct
3 Correct 29 ms 9956 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 12 ms 6100 KB Output is correct
6 Correct 43 ms 11708 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 30 ms 10144 KB Output is correct
3 Correct 29 ms 9956 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 12 ms 6100 KB Output is correct
6 Correct 43 ms 11708 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 49 ms 13812 KB Output is correct
9 Correct 52 ms 13868 KB Output is correct
10 Correct 90 ms 16700 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 30 ms 10144 KB Output is correct
3 Correct 29 ms 9956 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 12 ms 6100 KB Output is correct
6 Correct 43 ms 11708 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 49 ms 13812 KB Output is correct
9 Correct 52 ms 13868 KB Output is correct
10 Correct 90 ms 16700 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 78 ms 16604 KB Output is correct
15 Correct 50 ms 13716 KB Output is correct
16 Correct 76 ms 16572 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Correct 2 ms 4948 KB Output is correct
19 Correct 2 ms 4948 KB Output is correct
20 Correct 89 ms 16656 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 2 ms 4948 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4992 KB Output is correct

Subtask #5
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 33 ms 12100 KB Output is correct
3 Correct 25 ms 12160 KB Output is correct
4 Correct 40 ms 13452 KB Output is correct

Subtask #6
56.0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 33 ms 12100 KB Output is correct
3 Correct 25 ms 12160 KB Output is correct
4 Correct 40 ms 13452 KB Output is correct
5 Correct 75 ms 16428 KB Output is correct
6 Correct 76 ms 15332 KB Output is correct
7 Correct 73 ms 16516 KB Output is correct
8 Correct 73 ms 15108 KB Output is correct
9 Correct 40 ms 12248 KB Output is correct
10 Correct 68 ms 14736 KB Output is correct
11 Correct 70 ms 14824 KB Output is correct
12 Correct 46 ms 11964 KB Output is correct
13 Correct 58 ms 13644 KB Output is correct
14 Correct 47 ms 13292 KB Output is correct
15 Correct 48 ms 13356 KB Output is correct
16 Correct 3 ms 5204 KB Output is correct
17 Correct 43 ms 11292 KB Output is correct
18 Correct 44 ms 12420 KB Output is correct
19 Correct 47 ms 12344 KB Output is correct
20 Correct 71 ms 16184 KB Output is correct
21 Correct 71 ms 16008 KB Output is correct
22 Correct 70 ms 16080 KB Output is correct