#pragma GCC optimize("O3")
#include<bits/stdc++.h>
#include "gondola.h"
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<61);
const int inf=(1<<30);
const int nmax=3e5+50;
const int mod=1e9+7;
using namespace std;
int valid(int n,int a[])
{
int i,v[nmax];
for(i=0;i<nmax;i++)v[i]=0;
for(i=0;i<n;i++)
{
if(a[i]<=n)break;
if(v[a[i]])return 0;
v[a[i]]=1;
}
if(i==n)return 1;
int nr=a[i],lst=i+n-a[i]+1,cnt=0;
for(;cnt<n;i++,cnt++)
{
lst--;
if(i==n)i=0;
if(!lst)nr=1,lst=nmax;
if(a[i]<=n && a[i]>nr)nr=a[i];
else if(a[i]<=n && a[i]<nr)return 0;
}
return 1;
}
int replacement(int n, int gondolaSeq[], int replacementSeq[]);
int countReplacement(int n, int inputSeq[]);
/*int main()
{
//freopen("sol.in","r",stdin);
//freopen("sol.out","w",stdout);
ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
return 0;
}*/
Compilation message
/tmp/ccYz7T5x.o: In function `main':
grader.cpp:(.text.startup+0xc3): undefined reference to `countReplacement'
grader.cpp:(.text.startup+0x106): undefined reference to `replacement'
collect2: error: ld returned 1 exit status
