Submission #66363

#	Time	Username	Problem	Language	Result	Execution time	Memory
66363		Kubalionzzale	Gondola (IOI14_gondola)	C++14	0 / 100	3 ms	820 KiB

gondola

#include "gondola.h"

#include <iostream>
#include <algorithm>

int valid(int n, int a[])
{
    bool visited[250010] = { 0 };
    int remember = -1;
    for (int i = 0; i < n; ++i)
    {
      --a[i];
        if (visited[a[i]])
            return 0;
        else
            visited[a[i]] = 1;

        if (a[i] < n)
        {
            if (remember == -1)
                remember = i;
            else
            {
                int val1 = a[remember];
                int val2 = a[i];

                if (val1 > val2)
                {
                    if (remember == i + ((val1 - val2) % n))
                        continue;
                    else
                        return 0;
                }
                else
                {
                    if (i == remember + ((val2 - val1) % n))
                        continue;
                    else
                        return 0;
                }

                if (i == remember + (val2 - val1))
                    continue;
                else
                    return 0;
            }
        }
    }

    return 1;
}

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

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

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

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

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 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