제출 #118063

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
118063		dragonslayerit	곤돌라 (IOI14_gondola)	C++14	5 / 100	6 ms	384 KiB

gondola

#include "gondola.h"
#include <set>
#include <vector>
#include <algorithm>

int valid(int n, int inputSeq[])
{
  return 1;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  for(int i=0;i<n;i++){
    gondolaSeq[i]--;
  }
  int shift=0;
  for(int i=0;i<n;i++){
    if(gondolaSeq[i]<n){
      shift=(gondolaSeq[i]-i+n)%n;
      break;
    }
  }
  std::vector<int> seq(gondolaSeq,gondolaSeq+n);
  for(int i=0;i<n;i++){
    seq[i]=(i+shift)%n;
  }
  auto max=std::max_element(gondolaSeq,gondolaSeq+n);
  std::vector<int> where(*max+1,max-gondolaSeq);
  for(int i=0;i<n;i++){
    where[seq[i]]=i;
  }
  for(int x=n;x<=*max;x++){
    replacementSeq[x-n]=seq[where[x]];
    seq[where[x]]=x;
  }
  for(int i=0;i<n;i++){
    replacementSeq[i]++;
  }
  return *max+1-n;
}

//----------------------

int countReplacement(int n, int inputSeq[])
{
  return -3;
}

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