제출 #926814

#제출 시각아이디문제언어결과실행 시간메모리
926814NintsiChkhaidze곤돌라 (IOI14_gondola)C++17
20 / 100
33 ms7372 KiB
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int b[200005],c[200005];

int valid(int n, int a[]){
	map <int,int> mp;
	
	int k = -1;
	for (int i=0;i<n;i++){
		if (mp.find(a[i]) != mp.end()) return 0;
		mp[a[i]] = 1;
 		if (a[i] > n) continue;
		if (k == -1) k= i;
		else if (a[k] > a[i]) k = i;
	}
	if (k==-1) return 1;
		
	int m = 0;
	int st = a[k];
	for (int j = k; j < n; j++)
		if (a[j] <= n) b[++m] = a[j],c[m] = st + (j - k);
	
	for (int j = 0; j < k; j++)
		if (a[j] <= n) b[++m] = a[j],c[m] = st + (n - k) + j;
	
	for (int i = 1; i <= m; i++){
		if (b[i] != c[i]) return 0;
	}
  	return 1;
}

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

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

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

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