#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int valid(int n, int arr[])
{
vector <int> v;
long long mn=1e18,idx=0;
for(int i=0;i<n;i++){
if(arr[i]<mn){
mn=arr[i];
idx=i;
}
}
int cnt=1;
for(int i=idx;i<idx+n;i++){
if(arr[i%n]>n) {
arr[i%n]=cnt++;
}
if(arr[i%n]!=cnt) return 0;
cnt++;
}
return 1;
}
//----------------------
int replacement(int n, int arr[], int rep[])
{
vector <int> v;
long long idx=0;
long long mx=0,idx2=0;
for(int i=0;i<n;i++){
if(arr[i]<n){
idx=(i-arr[i]+1+n)%n;
}
if(arr[i]>mx){
mx=arr[i];
idx2=i;
}
}
for(int i=0;i<mx-n;i++) rep[i]=-1;
int cnt=1;
for(int i=idx;i<idx+n;i++){
if(arr[i%n]!=cnt){
rep[arr[i%n]-n]=i%n;
}
arr[i%n]=cnt;
cnt++;
}
for(int i=0;i<mx-n;i++) if(rep[i]==-1) rep[i]=idx2;
int num=n+1;
for(int i=0;i<mx-n;i++){
int x=arr[rep[i]];
arr[rep[i]]=num;
rep[i]=x;
num++;
}
return mx-n;
}
//----------------------
int countReplacement(int n, int inputSeq[])
{
return -3;
}
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