Submission #1106015

#	Time	Username	Problem	Language	Result	Execution time	Memory
1106015		groshi	Permutation (APIO22_perm)	C++17	Compilation error	0 ms	0 KiB

perm

#include<bits/stdc++.h>
#include "perm.h"
//#define int long long
using namespace std;
vector<int> szukaj(int x)
{
    if(x<=1)
        return {};
    if(x==2)
        return {0};
    for(int i=3;i<=7;i+=2)
    {
        if(x%i==0 && x!=i)
        {
            vector<int> mam1=szukaj(i);
            vector<int> mam2=szukaj(x/i);
            for(int i=0;i<mam2.size();i++)
                mam1.push_back(mam2[i]+mam1.size());
            return mam1;
        }
    }
    vector<int> mam=szukaj(x/2);
    mam.push_back(mam.size());
    if(x%2==1)
        mam.insert(mam.begin(),mam.size());
    return mam;
}
vector<int32_t> construct_permutation(int32_t x)
{
    return szukaj(x);
}

Compilation message (stderr)

perm.cpp: In function 'std::vector<int> szukaj(int)':
perm.cpp:17:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |             for(int i=0;i<mam2.size();i++)
      |                         ~^~~~~~~~~~~~
/usr/bin/ld: /tmp/ccNZb2xQ.o: in function `main':
grader.cpp:(.text.startup+0x240): undefined reference to `construct_permutation(long long)'
collect2: error: ld returned 1 exit status