Submission #60492

#	Time	Username	Problem	Language	Result	Execution time	Memory
60492		hamzqq9	Gondola (IOI14_gondola)	C++14	20 / 100	23 ms	1916 KiB

gondola

#include "gondola.h"


int valid(int n, int inputSeq[]) {

	int fr[250001]={0};

	int fixed=0;

	for(int i=0;i<n;i++) {

		if(inputSeq[i]<=n) {

			fixed=i;

			break ;

		}

	}

	int tot=2,big=0;

	int cur=inputSeq[fixed];

	for(int i=fixed;(tot-=(i==fixed));i=(i+1)%n,cur++) {

		if(cur>n) cur-=n;

		if(inputSeq[i]>n) {
		
			fr[inputSeq[i]]++;

			big++;

			continue ;
		
		}

		if(inputSeq[i]!=cur) return 0;

	}

	for(int i=n+1;i<250001;i++) {

		if(fr[i]>1) return 0; 

	}

	return 1;

}

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

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

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

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

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10