제출 #65280

#제출 시각아이디문제언어결과실행 시간메모리
65280gnoor곤돌라 (IOI14_gondola)C++17
20 / 100
25 ms1812 KiB
#include "gondola.h"

#include <cmath>
#include <cstdio>

bool mark[300100];

int valid(int n, int inputSeq[])
{
	int key=-1;
	int id=-1;
	int cur;
	for (int i=0;i<n;i++) {
		inputSeq[i]--;
		if (mark[inputSeq[i]]) return 0;
		mark[inputSeq[i]]=true;
	}
	for (int i=0;i<n;i++) {
		if (inputSeq[i]>=n) continue;
		key=inputSeq[i];
		id=i;
	}
	for (int i=0;i<n;i++) {
		if (inputSeq[i]>=n) continue;
		cur=key+i-id;
		cur%=n;
		cur+=n;
		cur%=n;
		if (inputSeq[i]!=cur) 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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