Language: C++

#include <iostream>
#include <algorithm>

using namespace std;

int main(){
  int n;
  cin>>n;
  int a[n];
  for(int i=0;i<n;i++){
    cin>>a[i];
  }
  sort(a,end(a));
  int alice,bob;
  for(int i=0;i<n;i++){
    if(i%2==0){
      alice+=a[i];
    }else{
      bob+=a[i];
    }
  }
  cout<<alice-bob<<endl;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:13:13: error: no matching function for call to 'end(int [n])'
   13 |   sort(a,end(a));
      |          ~~~^~~
In file included from /usr/include/c++/14/bits/range_access.h:36,
                 from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 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:   template argument deduction/substitution failed:
a.cc:13:13: note:   mismatched types 'std::initializer_list<_Tp>' and 'int*'
   13 |   sort(a,end(a));
      |          ~~~^~~
/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:   template argument deduction/substitution failed:
a.cc:13:13: note:   variable-sized array type 'int [n]' is not a valid template argument
   13 |   sort(a,end(a));
      |          ~~~^~~
/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:   template argument deduction/substitution failed:
a.cc:13:13: note:   variable-sized array type 'int [n]' is not a valid template argument
   13 |   sort(a,end(a));
      |          ~~~^~~
/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:   template argument deduction/substitution failed:
a.cc:13:13: note:   variable-sized array type 'long int' is not a valid template argument
   13 |   sort(a,end(a));
      |          ~~~^~~
/usr/include/c++/14/bits/range_access.h:115:31: note: candidate: 'template<class _Tp> _Tp* std::end(valarray<_Tp>&)'
  115 |   template<typename _Tp> _Tp* end(valarray<_Tp>&) noexcept;
      |                               ^~~
/usr/include/c++/14/bits/range_access.h:115:31: note:   template argument deduction/substitution failed:
a.cc:13:13: note:   mismatched types 'std::valarray<_Tp>' and 'int [n]'
   13 |   sort(a,end(a));
      |          ~~~^~~
/usr/include/c++/14/bits/range_access.h:116:37: note: candidate: 'template<class _Tp> const _Tp* std::end(const valarray<_Tp>&)'
  116 |   template<typename _Tp> const _Tp* end(const valarray<_Tp>&) noexcept;
      |                                     ^~~
/usr/include/c++/14/bits/range_access.h:116:37: note:   template argument deduction/substitution failed:
a.cc:13:13: note:   mismatched types 'const std::valarray<_Tp>' and 'int [n]'
   13 |   sort(a,end(a));
      |          ~~~^~~