Submission #419986

#	Time	Username	Problem	Language	Result	Execution time	Memory
419986		SuhaibSawalha1	Mechanical Doll (IOI18_doll)	C++17	6 / 100	87 ms	12736 KiB

doll

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

void create_circuit(int M, vector<int> A) {
  int N = A.size();
  vector<int> C(M + 1), X, Y;
  vector<vector<int>> next(M + 1);
  C[0] = A[0];
  A.push_back(0);
  for (int i = 0; i < N; ++i) {
    next[A[i]].push_back(A[i + 1]);
  }
  for (int i = 1; i <= M; ++i) {
    if (next[i].empty()) {
      continue;
    }
    C[i] = -(int)X.size() - 1;
    if (next[i].size() == 1) {
      X.push_back(C[i]);
      Y.push_back(next[i][0]);
    }
    else {
      X.push_back(next[i][0]);
      Y.push_back(next[i][1]);
    }
  }
  answer(C, X, Y);
}

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