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 "grader.cpp"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef pair<long long, long long> pll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<ll> vl;
int valid(int n, int inputSeq[])
{
int pos = -1;
for(int i = 0; i < n; i++){
if(inputSeq[i] == 1){
pos = i;
break;
}
}
bool seq = true;
int at = 1, lim = pos;
while(pos < n){
if(inputSeq[pos] == at){
pos++;
at++;
}
else{
seq = false;
break;
}
}
if(!seq) return 0;
pos = 0;
while(pos < lim){
if(inputSeq[pos] == at){
pos++;
at++;
}
else{
seq = false;
break;
}
}
if(!seq) 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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