Language: C++

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n;
    cin>>n;
    vector<int> p(n),q(n),a(n);
    for(int i=1;i<=n;i++) a[i-1]=i;
    for(int i=1;i<n;i++) cin>>p[i];
    for(int i=1;i<n;i++) cin>>q[i];

    sort(a.begin(),a.end);
    int pp,qq,c=0;

    do
    {
        c++;
        bool find=true;
        for(int i=0;i<a.size();i++)
        {
            if(a[i]!=p[i])
            {
                find=false;
                break;
            }
        }
        if(find) pp=c;

        for(int i=0;i<a.size();i++)
        {
            if(a[i]!=q[i])
            {
                find=false;
                break;
            }
        }
        if(find) qq=c;
    }

    while(net_permutation(a.begin(),a.end()));
    cout<<abs(pp-qq)<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: no matching function for call to 'sort(std::vector<int>::iterator, <unresolved overloaded function type>)'
   14 |     sort(a.begin(),a.end);
      |     ~~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:4762:5: note: candidate: 'void std::sort(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<int*, vector<int> >]'
 4762 |     sort(_RandomAccessIterator __first, _RandomAccessIterator __last)
      |     ^~~~
/usr/include/c++/14/bits/stl_algo.h:4762:63: note:   no known conversion for argument 2 from '<unresolved overloaded function type>' to '__gnu_cxx::__normal_iterator<int*, std::vector<int> >'
 4762 |     sort(_RandomAccessIterator __first, _RandomAccessIterator __last)
      |                                         ~~~~~~~~~~~~~~~~~~~~~~^~~~~~
/usr/include/c++/14/bits/stl_algo.h:4793:5: note: candidate: 'template<class _RAIter, class _Compare> void std::sort(_RAIter, _RAIter, _Compare)'
 4793 |     sort(_RandomAccessIterator __first, _RandomAccessIterator __last,
      |     ^~~~
/usr/include/c++/14/bits/stl_algo.h:4793:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:86:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:292:1: note: candidate: 'template<class _ExecutionPolicy, class _RandomAccessIterator, class _Compare> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, void> std::sort(_ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator, _Compare)'
  292 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp);
      | ^~~~
/usr/include/c++/14/pstl/glue_algorithm_defs.h:292:1: note:   candidate expects 4 arguments, 2 provided
/usr/include/c++/14/pstl/glue_algorithm_defs.h:296:1: note: candidate: 'template<class _ExecutionPolicy, class _RandomAccessIterator> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, void> std::sort(_ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator)'
  296 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last);
      | ^~~~
/usr/include/c++/14/pstl/glue_algorithm_defs.h:296:1: note:   candidate expects 3 arguments, 2 provided
a.cc:42:11: error: 'net_permutation' was not declared in this scope
   42 |     while(net_permutation(a.begin(),a.end()));
      |           ^~~~~~~~~~~~~~~