제출 #1102892

#제출 시각아이디문제언어결과실행 시간메모리
1102892alexander707070곤돌라 (IOI14_gondola)C++14
20 / 100
8 ms3136 KiB
#include<bits/stdc++.h>
#include "gondola.h"

#define MAXN 500007
using namespace std;

int n;
int s[MAXN],last;
bool li[MAXN];

int valid(int N, int inputSeq[]){
	n=N;

	int mins=1;
	for(int i=1;i<=n;i++){
		s[i]=inputSeq[i-1];
		s[i+n]=s[i];

		if(s[i]<s[mins]){
			mins=i;
		}
	}

	for(int i=mins;i<mins+n;i++){
		if(s[i]<=n and s[i]!=s[mins]+i-mins)return 0;

		if(s[i]>n){
			if(li[s[i]])return 0;
			li[s[i]]=true;
		}
	}

	return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  return -2;
}

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

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

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