제출 #284194

#제출 시각아이디문제언어결과실행 시간메모리
284194Bill_00곤돌라 (IOI14_gondola)C++14
20 / 100
16 ms2688 KiB
#include <stdlib.h>
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;

int valid(int n, int a[])
{
	int k[250000]={0};
	int y[250000]={0},d=0;
	for(int i=0;i<n;i++){
		k[a[i]]++;
	}
	for(int i=0;i<n;i++){
		if(k[a[i]]>1) return 0;
	}
	for(int i=0;i<n;i++){
		if(a[i]<=n){
			if(y[(a[i]-i+n)%n]==0) d++;
			y[(a[i]-i+n)%n]++;
		}
	}
	if(d<=1) return 1;
	return 0;
	
}

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

int replacement(int n, int a[], int replacementSeq[])
{
	int y[100000]={0};
	for(int i=0;i<n;i++){
		if(a[i]<=n){
			y[(a[i]-i+n)%n]++;
		}
	}
	int e=0;
	for(int i=0;i<n;i++){
		e=max(e,y[i]);
	}
	return n-e;
}

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

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