This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int valid(int n, int inputSeq[])
{
int ind = -1;
map<int, int> mp;
for (int i = 0; i < n; i++)
{
if (mp[inputSeq[i]] == 1)
return -1;
if (inputSeq[i] <= n)
ind = i;
mp[inputSeq[i]] = 1;
}
if (ind == -1)
return 1;
for (int i = 0; i < n; i++)
{
if (inputSeq[i] > n)
continue;
if (((inputSeq[i] - inputSeq[ind] + n) % n) != ((i - ind + n) % n))
return 0;
}
return 1;
}
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
return -2;
}
int countReplacement(int n, int inputSeq[])
{
return -3;
}
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