Submission #422175

#	Time	Username	Problem	Language	Result	Execution time	Memory
422175		dreezy	Gondola (IOI14_gondola)	C++17	0 / 100	1 ms	300 KiB

gondola

#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;

/**********************/


int valid(int n, int inputSeq[])
{
	
	int preval = -1;
	for(int i =0; i<n; i++){
		if(preval == -1){
			if(inputSeq[i] <= n)
				preval = inputSeq[i];
			continue;
		}
		
		if(inputSeq[i] <=n){
			if(preval == n){
				if(inputSeq[i] != 1) return false;
			}
			else
				if(inputSeq[i]!= preval+1) return false;
		}
		else{
			//replacement, num can be anything
			
			if(preval == n)
				preval = 1;
			else preval++;
		}
	}
	
	if(inputSeq[n-1] == n)
		return inputSeq[0] == 1;
	else return inputSeq[n-1] +1 == inputSeq[0];
	
}

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

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

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

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


/******************************/

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