제출 #442759

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
442759	2021-07-08 21:11:25	peijar	자동 인형 (IOI18_doll)	C++17	100 / 100	260 ms	15096 KiB

doll

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#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> exitFixed;
vector<int> exitEven, exitOdd;
int nbSwaps;
bool allRoot(vector<int> e) {
  for (auto v : e)
    if (v != -1)
      return false;
  return true;
}
int build(vector<int> elements) {
  int nbElem = elements.size();
  assert(nbElem > 1);
  if (nbElem == 2) {
    ++nbSwaps;
    exitEven.push_back(elements[0]);
    exitOdd.push_back(elements[1]);
    return -nbSwaps;
  }
  vector<int> even, odd;
  for (int i = 0; i < nbElem; ++i)
    (i % 2 ? odd : even).push_back(elements[i]);
  int ret = ++nbSwaps;
  exitEven.push_back(-1e9);
 
 
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