Submission #1163238

#TimeUsernameProblemLanguageResultExecution timeMemory
1163238SmuggingSpunXoractive (IZhO19_xoractive)C++20
Compilation error
0 ms0 KiB
#include "interactive.h" #include<bits/stdc++.h> using namespace std; vector<int>guess(int n){ vector<int>ans; if(n <= 15){ for(int i = 1; i <= n; i++){ ans.emplace_back(ask(i)); } } else{ ans.resize(n); ans[0] = get(1); map<int, int>id; for(int i = 0; (1 << i) <= n; i++){ vector<int>p; for(int j = 1; j = n; j++){ if(1 << i & j){ p.emplace_back(j); } } vector<int>S = get_pairwise_xor(p); map<int, int>cnt; for(int& x : S){ cnt[x]++; } p.emplace_back(1); S = get_pairwise_xor(p); for(int& x : S){ cnt[x]--; } for(auto& [u, v] : cnt){ if(v > 0){ id[u ^ a[0]] |= 1 << i; } } } for(auto& [u, v] : id){ ans[v - 1] = u; } } return ans; }

Compilation message (stderr)

Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:13:21: error: no matching function for call to 'get(int)'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:223:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_OIter1, _OIter2> >::type& std::get(std::pair<_OIter1, _OIter2>&)'
  223 |     get(pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:223:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::pair<_OIter1, _OIter2>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:228:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_OIter1, _OIter2> >::type&& std::get(std::pair<_OIter1, _OIter2>&&)'
  228 |     get(pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:228:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::pair<_OIter1, _OIter2>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:233:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_OIter1, _OIter2> >::type& std::get(const std::pair<_OIter1, _OIter2>&)'
  233 |     get(const pair<_Tp1, _Tp2>& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:233:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::pair<_OIter1, _OIter2>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:238:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_OIter1, _OIter2> >::type&& std::get(const std::pair<_OIter1, _OIter2>&&)'
  238 |     get(const pair<_Tp1, _Tp2>&& __in) noexcept
      |     ^~~
/usr/include/c++/11/utility:238:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::pair<_OIter1, _OIter2>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:247:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_T1, _T2>&)'
  247 |     get(pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:247:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::pair<_T1, _T2>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:252:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_T1, _T2>&)'
  252 |     get(const pair<_Tp, _Up>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:252:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:257:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_T1, _T2>&&)'
  257 |     get(pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:257:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::pair<_T1, _T2>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:262:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_T1, _T2>&&)'
  262 |     get(const pair<_Tp, _Up>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:262:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:267:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_Up, _Tp>&)'
  267 |     get(pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:267:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::pair<_Up, _Tp>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:272:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_Up, _Tp>&)'
  272 |     get(const pair<_Up, _Tp>& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:272:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::pair<_Up, _Tp>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:277:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_Up, _Tp>&&)'
  277 |     get(pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:277:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::pair<_Up, _Tp>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/utility:282:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_Up, _Tp>&&)'
  282 |     get(const pair<_Up, _Tp>&& __p) noexcept
      |     ^~~
/usr/include/c++/11/utility:282:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::pair<_Up, _Tp>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/bits/ranges_algo.h:36,
                 from /usr/include/c++/11/algorithm:64,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/bits/ranges_util.h:381:5: note: candidate: 'template<long unsigned int _Num, class _It, class _Sent, std::ranges::subrange_kind _Kind>  requires  _Num < 2 constexpr auto std::ranges::get(std::ranges::subrange<_It, _Sent, _Kind>&&)'
  381 |     get(subrange<_It, _Sent, _Kind>&& __r)
      |     ^~~
/usr/include/c++/11/bits/ranges_util.h:381:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::ranges::subrange<_It, _Sent, _Kind>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/bits/ranges_algo.h:36,
                 from /usr/include/c++/11/algorithm:64,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/bits/ranges_util.h:370:5: note: candidate: 'template<long unsigned int _Num, class _It, class _Sent, std::ranges::subrange_kind _Kind>  requires  _Num < 2 constexpr auto std::ranges::get(const std::ranges::subrange<_It, _Sent, _Kind>&)'
  370 |     get(const subrange<_It, _Sent, _Kind>& __r)
      |     ^~~
/usr/include/c++/11/bits/ranges_util.h:370:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::ranges::subrange<_It, _Sent, _Kind>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/array:361:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp& std::get(std::array<_Tp, _Nm>&)'
  361 |     get(array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:361:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::array<_Tp, _Nm>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/array:369:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp&& std::get(std::array<_Tp, _Nm>&&)'
  369 |     get(array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:369:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::array<_Tp, _Nm>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/array:377:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp& std::get(const std::array<_Tp, _Nm>&)'
  377 |     get(const array<_Tp, _Nm>& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:377:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::array<_Tp, _Nm>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/tuple:39,
                 from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/array:385:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp&& std::get(const std::array<_Tp, _Nm>&&)'
  385 |     get(const array<_Tp, _Nm>&& __arr) noexcept
      |     ^~~
/usr/include/c++/11/array:385:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::array<_Tp, _Nm>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/tuple:1393:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(std::tuple<_UTypes ...>&)'
 1393 |     get(tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1393:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::tuple<_UTypes ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/tuple:1399:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(const std::tuple<_UTypes ...>&)'
 1399 |     get(const tuple<_Elements...>& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1399:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::tuple<_UTypes ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/tuple:1405:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(std::tuple<_UTypes ...>&&)'
 1405 |     get(tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1405:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::tuple<_UTypes ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/tuple:1414:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(const std::tuple<_UTypes ...>&&)'
 1414 |     get(const tuple<_Elements...>&& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1414:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::tuple<_UTypes ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/tuple:1449:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::tuple<_UTypes ...>&)'
 1449 |     get(tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1449:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::tuple<_UTypes ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/tuple:1460:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::tuple<_UTypes ...>&&)'
 1460 |     get(tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1460:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::tuple<_UTypes ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/tuple:1471:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::tuple<_UTypes ...>&)'
 1471 |     get(const tuple<_Types...>& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1471:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::tuple<_UTypes ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/c++/11/functional:54,
                 from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/11/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
                 from Xoractive.cpp:2:
/usr/include/c++/11/tuple:1483:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::tuple<_UTypes ...>&&)'
 1483 |     get(const tuple<_Types...>&& __t) noexcept
      |     ^~~
/usr/include/c++/11/tuple:1483:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::tuple<_UTypes ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133,
                 from Xoractive.cpp:2:
/usr/include/c++/11/variant:1676:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(std::variant<_Types ...>&)'
 1676 |     get(variant<_Types...>& __v)
      |     ^~~
/usr/include/c++/11/variant:1676:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::variant<_Types ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133,
                 from Xoractive.cpp:2:
/usr/include/c++/11/variant:1687:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(std::variant<_Types ...>&&)'
 1687 |     get(variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/11/variant:1687:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::variant<_Types ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133,
                 from Xoractive.cpp:2:
/usr/include/c++/11/variant:1698:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(const std::variant<_Types ...>&)'
 1698 |     get(const variant<_Types...>& __v)
      |     ^~~
/usr/include/c++/11/variant:1698:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::variant<_Types ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133,
                 from Xoractive.cpp:2:
/usr/include/c++/11/variant:1709:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(const std::variant<_Types ...>&&)'
 1709 |     get(const variant<_Types...>&& __v)
      |     ^~~
/usr/include/c++/11/variant:1709:5: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::variant<_Types ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133,
                 from Xoractive.cpp:2:
/usr/include/c++/11/variant:1117:20: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::variant<_Types ...>&)'
 1117 |     constexpr _Tp& get(variant<_Types...>& __v)
      |                    ^~~
/usr/include/c++/11/variant:1117:20: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::variant<_Types ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133,
                 from Xoractive.cpp:2:
/usr/include/c++/11/variant:1126:21: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::variant<_Types ...>&&)'
 1126 |     constexpr _Tp&& get(variant<_Types...>&& __v)
      |                     ^~~
/usr/include/c++/11/variant:1126:21: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'std::variant<_Types ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133,
                 from Xoractive.cpp:2:
/usr/include/c++/11/variant:1136:26: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::variant<_Types ...>&)'
 1136 |     constexpr const _Tp& get(const variant<_Types...>& __v)
      |                          ^~~
/usr/include/c++/11/variant:1136:26: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::variant<_Types ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:133,
                 from Xoractive.cpp:2:
/usr/include/c++/11/variant:1145:27: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::variant<_Types ...>&&)'
 1145 |     constexpr const _Tp&& get(const variant<_Types...>&& __v)
      |                           ^~~
/usr/include/c++/11/variant:1145:27: note:   template argument deduction/substitution failed:
Xoractive.cpp:13:21: note:   mismatched types 'const std::variant<_Types ...>' and 'int'
   13 |         ans[0] = get(1);
      |                  ~~~^~~
Xoractive.cpp:34:28: error: 'a' was not declared in this scope
   34 |                     id[u ^ a[0]] |= 1 << i;
      |                            ^