Submission #133252

#	Time	Username	Problem	Language	Result	Execution time	Memory
133252		118907	Mechanical Doll (IOI18_doll)	C++14	37 / 100	101 ms	9956 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
void create_circuit(int M, std::vector<int> A) {
  int N = A.size();
  std::vector<int> C(M + 1);
  C[0] = -1;
  for (int i = 1; i <= M; ++i) {
    C[i] = -1;
  }
  int n = 1;
  while(n < N+1)n*=2;
  n/=2;
  std::vector<int> X(2*n), Y(2*n);
  for (int k = 1; k < n; ++k) {
      X[k] = -(2*k);
      Y[k] = -(2*k+1);
  }
  for(int k = n; k < 2*n; k++)
  {
       X[k] = -1;
       Y[k] = -1;
  }
  for(int i = 0; i < N; i++)
  {
    int b = i;
    int s = 1;
    while(s < n)
    {
      s = 2*s + (b % 2);
      b >>=1;
    }
    if(b%2==0)X[s] = A[i];
    else Y[s] = A[i];
  }
  int s = 1;
  while(s < n)
  {
    s = 2*s+1;
  }
  Y[s] = 0;//return to origin
  X = vector<int>(X.begin()+1,X.end());
  Y = vector<int>(Y.begin()+1,Y.end());
  answer(C, X, Y);
}

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 9 / 18
• Subtask 6: 28 / 56