#include "gondola.h"
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <numeric>
#include <cassert>
#include <vector>
#include <cmath>
#include <queue>
#include <set>
#include <map>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<P,int> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-8;
const ll mod=1e9+7;
const int dx[4]={-1,0,1,0},dy[4]={0,-1,0,1};
int valid(int n, int inputSeq[]){
int id=-1,x;
for(int i=0;i<n;i++) if(inputSeq[i]<=n){
if(id==-1) id=i,x=inputSeq[i];
if((x+i-id-1)%n!=inputSeq[i]-1) return 0;
}
sort(inputSeq,inputSeq+n);
for(int i=0;i<n-1;i++) if(inputSeq[i]==inputSeq[i+1]) return 0;
return 1;
}
//----------------------
int replacement(int n, int gondolaSeq[], int replacementSeq[]){
/* for(int i=0;i<n;i++) if(gondolaSeq[i]>n){
}*/
return 0;
}
//----------------------
int countReplacement(int n, int inputSeq[])
{
return -3;
}
