제출 #413261

#제출 시각아이디문제언어결과실행 시간메모리
413261schse자동 인형 (IOI18_doll)C++17
2 / 100
60 ms7724 KiB
#include "doll.h"
#ifndef EVAL
#include "grader.cpp"
#endif
#include <bits/stdc++.h>
using namespace std;

struct node
{
  vector<int> out;
};

void create_circuit(int M, std::vector<int> A)
{
  int N = A.size();
  vector<node> g(M + 1);
  vector<int> C(M + 1), X, Y;
  fill(C.begin(), C.end(), 0);
  C[0] = A[0];
  g[0].out.push_back(A[0]);
  for (int i = 1; i < N; i++)
  {
    g[A[i - 1]].out.push_back(A[i]);
  }

  for (int i = 0; i < M + 1; i++)
  {
    if (g[i].out.size() == 0)
      C[i] = 0;
    else if (g[i].out.size() == 1)
      C[i] = g[i].out[0];
    else if (g[i].out.size() == 2)
    {
      X.push_back(g[i].out[0]);
      Y.push_back(g[i].out[1]);
      C[i] = X.size() * -1;
    }
  }
  answer(C, X, Y);
}
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