Submission #1019038

#	Time	Username	Problem	Language	Result	Execution time	Memory
1019038		presko	Gondola (IOI14_gondola)	C++14	20 / 100	7 ms	1368 KiB

gondola

#include<iostream>
#include "gondola.h"
#define MAXN 300010

bool used[MAXN];
int valid(int n, int inputSeq[])
{
    for(int i=0;i<n;i++)
    {
        if(used[inputSeq[i]])return 0;
        used[inputSeq[i]]=1;
        if(inputSeq[i]<=n)
        {
            int prev=i-1,valp=inputSeq[i]-1;
            if(prev<0)prev=n-1;
            if(valp<1)valp=n;

            int next=i+1,valn=inputSeq[i]+1;
            if(next>=n)next=0;
            if(valn>n)valn=1;

            if(inputSeq[prev]<=n && inputSeq[prev]!=valp)return 0;
            if(inputSeq[next]<=n && inputSeq[next]!=valn)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