Language: C++

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

int main() {
  vextor<int> S(3);

  for(int i=0;i<3;i++){
    cin>>S.at(i);
  }
  sort(S.begin(),end());

  if((S.at(0)==S.at(1) && S.at(1)!=S.at(2) || (S.at(1)==S.at(2) && S.at(1)!=S.at(0))) cout<<"Yes";
  else cout<<"No";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'vextor' was not declared in this scope
    5 |   vextor<int> S(3);
      |   ^~~~~~
a.cc:5:10: error: expected primary-expression before 'int'
    5 |   vextor<int> S(3);
      |          ^~~
a.cc:8:10: error: 'S' was not declared in this scope
    8 |     cin>>S.at(i);
      |          ^
a.cc:10:8: error: 'S' was not declared in this scope
   10 |   sort(S.begin(),end());
      |        ^
a.cc:10:21: error: no matching function for call to 'end()'
   10 |   sort(S.begin(),end());
      |                  ~~~^~
In file included from /usr/include/c++/14/bits/algorithmfwd.h:39,
                 from /usr/include/c++/14/bits/stl_algo.h:59,
                 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/initializer_list:99:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::end(initializer_list<_Tp>)'
   99 |     end(initializer_list<_Tp> __ils) noexcept
      |     ^~~
/usr/include/c++/14/initializer_list:99:5: note:   candidate expects 1 argument, 0 provided
In file included from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/range_access.h:74:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&)'
   74 |     end(_Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/14/bits/range_access.h:74:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/bits/range_access.h:85:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&)'
   85 |     end(const _Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/14/bits/range_access.h:85:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/bits/range_access.h:106:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::end(_Tp (&)[_Nm])'
  106 |     end(_Tp (&__arr)[_Nm]) noexcept
      |     ^~~
/usr/include/c++/14/bits/range_access.h:106:5: note:   candidate expects 1 argument, 0 provided
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166:
/usr/include/c++/14/valarray:1249:5: note: candidate: 'template<class _Tp> _Tp* std::end(valarray<_Tp>&)'
 1249 |     end(valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/14/valarray:1249:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/valarray:1265:5: note: candidate: 'template<class _Tp> const _Tp* std::end(const valarray<_Tp>&)'
 1265 |     end(const valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/14/valarray:1265:5: note:   candidate expects 1 argument, 0 provided
a.cc:13:3: error: expected primary-expression before 'else'
   13 |   else cout<<"No";
      |   ^~~~
a.cc:12:99: error: expected ')' before 'else'
   12 |   if((S.at(0)==S.at(1) && S.at(1)!=S.at(2) || (S.at(1)==S.at(2) && S.at(1)!=S.at(0))) cout<<"Yes";
      |     ~                                                                                             ^
      |                                                                                                   )
   13 |   else cout<<"No";
      |   ~~~~