Submission #1101357

#	Time	Username	Problem	Language	Result	Execution time	Memory
1101357		blackslex	Mechanical Doll (IOI18_doll)	C++17	0 / 100	28 ms	4688 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);
  int S = M;
  std::vector<int> X(S), Y(S);
  vector<int> cnt(M + 1);
  for (int i = 0; i < N; i++) cnt[A[i]]++;
  vector<bool> st(M + 1);
  C[0] = A[0]; C[A[N - 1]] = 0;
  for (int i = 0; i < N - 1; i++) {
    if (cnt[A[i]] == 1) {
      C[A[i]] = A[i + 1];
    } else {
      if (!st[A[i]]) {
        st[A[i]] = !st[A[i]];
        C[A[i]] = -A[i];
        X[A[i] - 1] = A[i + 1];
      } else {
        Y[A[i] - 1] = A[i + 1];
      }
    }
  }
  // C[0] = -1;
  for (int i = 1; i <= M; ++i) {
    // C[i] = 1;
  }
  for (int k = 0; k < S; ++k) {
    // X[k] = Y[k] = A[k];
  }
  answer(C, X, Y);
}

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