Submission #284188

#	Time	Username	Problem	Language	Result	Execution time	Memory
284188		Bill_00	Gondola (IOI14_gondola)	C++14	20 / 100	18 ms	3072 KiB

gondola

#include <stdlib.h>
#include "gondola.h"


int valid(int n, int a[])
{
	int k[250000]={0};
	int y[250000]={0},d=0;
	for(int i=0;i<n;i++){
		k[a[i]]++;
	}
	for(int i=0;i<n;i++){
		if(k[a[i]]>1) return 0;
	}
	for(int i=0;i<n;i++){
		if(a[i]<=n){
			if(y[(a[i]-i+n)%n]==0) d++;
			y[(a[i]-i+n)%n]++;
		}
	}
	if(d<=1) return 1;
	return 0;
	
}

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

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