Submission #320131

#	Time	Username	Problem	Language	Result	Execution time	Memory
320131		lukameladze	Gondola (IOI14_gondola)	C++14	Compilation error	0 ms	0 KiB

gondola

# include <bits/stdc++.h>
using namespace std;
long long  x,num,idx,mp[300005];
int valid(int n , int a[])
{
    //cin>>n;
    idx=-1;
    for (int i=0; i<n; i++)
    {
      //  cin>>a[i];
        if (mp[a[i]]) x=1;
        mp[a[i]]=1;
        if (a[i]<=n) idx=i;
    }
    if (x==1)
    {
        return 0;
    }
    if (idx==-1)
    {
        return 1;
    }
    num=a[idx];
    for (int i=idx+1; i<n; i++)
    {
        num++;
        if (num==n+1) num=1;
        if (a[i]<=n && a[i]!=num)
        {
            return 0;
        }
    }
    for (int i=0; i<idx; i++)
    {
        num++;
        if (num==n+1) num=1;
        if (a[i]<=n && a[i]!=num)
        {
            return 0;
        }
    }
    return 1;
}
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  return 0;
} 
int countReplacement(int n, int inputSeq[])
{
  return 0;
}

Compilation message (stderr)

/tmp/ccQx9k6x.o: In function `main':
grader.cpp:(.text.startup+0xb6): undefined reference to `valid'
grader.cpp:(.text.startup+0x108): undefined reference to `countReplacement'
grader.cpp:(.text.startup+0x132): undefined reference to `replacement'
collect2: error: ld returned 1 exit status