Language: C++

#include <bits/stdc++.h>
using namespace std;

int a[15],b[15],get[15];
int n,pos=0,pos1,pos2;

int main()
{
	cin>>n;
	for (int i=1;i<=n;i++)  cin>>a[i];
	for (int i=1;i<=n;i++)  cin>>b[i];
	for (int i=1;i<=n;i++)  get[i]=i;
	do
	{
		pos++;
		int flag1=1,flag2=1;
		for (int i=1;i<=n;i++)
		{
			if (get[i]!=a[i])
			{
				flag1=0;
				break;
			}
		}
		for (int i=1;i<=n;i++)
		{
			if (get[i]!=b[i])
			{
				flag2=0;
				break;
			}
		}
		if (flag1==1&&pos1==0)  pos1=pos;
		if (flag2==1&&pos2==0)  pos2=pos;
	}while (next_permutation(get+1,get+n+1));
	
	cout<<fabs(pos1-pos2)<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:33: error: reference to 'get' is ambiguous
   12 |         for (int i=1;i<=n;i++)  get[i]=i;
      |                                 ^~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:1:
/usr/include/c++/14/variant:1180:5: note: candidates are: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const variant<_Types ...>&&)'
 1180 |     get(const variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/14/variant:1170:5: note:                 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const variant<_Types ...>&)'
 1170 |     get(const variant<_Types...>& __v)
      |     ^~~
/usr/include/c++/14/variant:1160:5: note:                 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(variant<_Types ...>&&)'
 1160 |     get(variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/14/variant:1150:5: note:                 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(variant<_Types ...>&)'
 1150 |     get(variant<_Types...>& __v)
      |     ^~~
/usr/include/c++/14/variant:1748:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(const variant<_Types ...>&&)'
 1748 |     get(const variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/14/variant:1737:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(const variant<_Types ...>&)'
 1737 |     get(const variant<_Types...>& __v)
      |     ^~~
/usr/include/c++/14/variant:1726:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(variant<_Types ...>&&)'
 1726 |     get(variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/14/variant:1715:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(variant<_Types ...>&)'
 1715 |     get(variant<_Types...>& __v)
      |     ^~~
In file included from /usr/include/c++/14/bits/memory_resource.h:47,
                 from /usr/include/c++/14/string:68,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/tuple:2517:5: note:                 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const tuple<_Elements ...>&&)'
 2517 |     get(const tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2505:5: note:                 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const tuple<_Elements ...>&)'
 2505 |     get(const tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2494:5: note:                 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(tuple<_Elements ...>&&)'
 2494 |     get(tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2483:5: note:                 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(tuple<_Elements ...>&)'
 2483 |     get(tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2476:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__enable_if_t<(__i >= sizeof... (_Types))> std::get(const tuple<_Elements ...>&)'
 2476 |     get(const tuple<_Elements...>&) = delete;
      |     ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_pair.h:1307:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const pair<_Up, _Tp>&&)'
 1307 |     get(const pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1302:5: note:                 'template<class _Tp, class _Up> constexpr _Tp&& std::get(pair<_Up, _Tp>&&)'
 1302 |     get(pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1297:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const pair<_Up, _Tp>&)'
 1297 |     get(const pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1292:5: note:                 'template<class _Tp, class _Up> constexpr _Tp& std::get(pair<_Up, _Tp>&)'
 1292 |     get(pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1287:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const pair<_T1, _T2>&&)'
 1287 |     get(const pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1282:5: note:                 'template<class _Tp, class _Up> constexpr _Tp&& std::get(pair<_T1, _T2>&&)'
 1282 |     get(pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1277:5: note:                 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const pair<_T1, _T2>&)'
 1277 |     get(const pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1272:5: note:                 'template<class _Tp, class _Up> constexpr _Tp& std::get(pair<_T1, _T2>&)'
 1272 |     get(pair<_Tp, _Up>& __p) noexcept
      |     ^~~
In file included from /usr/include/c++/14/functional:65,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53:
/usr/include/c++/14/array:417:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp&& std::get(const array<_Tp, _Nm>&&)'
  417 |     get(const array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/14/array:408:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp& std::get(const array<_Tp, _Nm>&)'
  408 |     get(const array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/14/array:399:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp&& std::get(array<_Tp, _Nm>&&)'
  399 |     get(array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/14/array:390:5: note:                 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp& std::get(array<_Tp, _Nm>&)'
  390 |     get(array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2466:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >&& std::get(const tuple<_Elements ...>&&)'
 2466 |     get(const tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2457:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >&& std::get(tuple<_Elements ...>&&)'
 2457 |     get(tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2451:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >& std::get(const tuple<_Elements ...>&)'
 2451 |     get(const tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/14/tuple:2445:5: note:                 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >& std::get(tuple<_Elements ...>&)'
 2445 |     get(tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1265:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(const pair<_Tp1, _Tp2>&&)'
 1265 |     get(const pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1260:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(const pair<_Tp1, _Tp2>&)'
 1260 |     get(const pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1255:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(pair<_Tp1, _Tp2>&&)'
 1255 |     get(pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/14/bits/stl_pair.h:1250:5: note:                 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(pair<_Tp1, _Tp2>&)'
 1250 |     get(pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
a.cc:4:17: note:                 'int get [15]'
    4 | int a[15],b[15],get[15];
      |                 ^~~
a.cc:19:29: error: reference to 'get' is ambiguous
   19 |                         if (get[i]!=a[i])
      |                             ^~~
/usr/include/c++/14/variant:1180:5: note: candidates are: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const variant<_Types ...>&&)'
 1180 |     get(const variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/14/variant:1170:5: note:                 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const variant<_Types ...>&)'
 1170 |     get(const variant<_Types...>& __v)
      |     ^~~
/usr/include/c++/14/variant:1160:5: note:                 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(variant<_Types ...>&&)'
 1160 |     get(variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/14/variant:1150:5: note:                 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(variant<_Types ...>&)'
 1150 |     get(variant<_Types...>& __v)
      |     ^~~
/usr/include/c++/14/variant:1748:5: note:                 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant