Submission #581999

#	Time	Username	Problem	Language	Result	Execution time	Memory
581999		Abdulmohsen1284	Library (JOI18_library)	C++14	Compilation error	0 ms	0 KiB

library

#include <cstdio>
#include <vector>
#include "library.h"
#include"bits/stdc++.h"
using namespace std;
long long s=0;
vector <int> em;
void rec(long long cur,vector <int> grp)
{
    
    long long fr=Query(grp);
    grp[cur-1]=1;
    if(fr==Query(grp))
    {
        long long sum=0;
        grp[cur-1]=0;
        for(int i=0;i<(int)grp.size();i++)
        {
            if(grp[i]==1)
                sum++;
        }
        if(sum==1)
        {
            for(int i=0;i<(int)grp.size();i++)
            {
            if(grp[i]==1)
                s=i+1;
            }
            
            return;
        }
        if(s==0)
            Answer(em);
        vector <int> on=em,tw=em;
        long long took=0;
        for(int i=0;took<sum/2;i++)
        {
            if(i>=(int)grp.size())
                break;
            if(grp[i]==1)
            {
                took++;
                on[i]=grp[i];
            }
        }
        for(int i=0;i<(int)grp.size();i++)
        {
            if((grp[i]^on[i])==1)
                tw[i]=1;
        }
        grp.clear();
        for(int i=0;i<(int)on.size();i++)
        {
            if(on[i]==1)
            {
                rec(cur,on);
                break;
            }
        }
        for(int i=0;i<(int)tw.size();i++)
        {
            if(tw[i]==1)
            {
                rec(cur,tw);
                return;
            }
        }
        
    }
    else
        return;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccYu7Zb3.o: in function `main':
grader.cpp:(.text.startup+0x25): undefined reference to `Solve(int)'
collect2: error: ld returned 1 exit status