제출 #1025726

#제출 시각아이디문제언어결과실행 시간메모리
1025726socpite곤돌라 (IOI14_gondola)C++17
20 / 100
11 ms1216 KiB
#include "gondola.h"

const int maxn = 3e5+5;

bool vis[maxn];

int valid(int n, int inputSeq[])
{
	int dist = -1;
	for(int i = 0; i < n; i++)inputSeq[i]--;
	for(int i = 0; i < n; i++){
		if(vis[inputSeq[i]])return 0;
		vis[inputSeq[i]] = 1;
		if(inputSeq[i] < n){
			int d = (i + n - inputSeq[i])%n;
			if(dist == -1)dist = d;
			else if(dist != d)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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