제출 #419987

#제출 시각아이디문제언어결과실행 시간메모리
419987SuhaibSawalha1자동 인형 (IOI18_doll)C++17
6 / 100
86 ms11280 KiB
#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;
    }
    if (next[i].size() == 1) {
      C[i] = next[i][0];
    }
    else {
      C[i] = -(int)X.size() - 1;
      X.push_back(next[i][0]);
      Y.push_back(next[i][1]);
    }
  }
  answer(C, X, Y);
}
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