fork download
  1. #include <iostream>
  2. #include <list>
  3. #include <iterator>
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8. list<int> ints = { 3, 6, 1, 5, 8 };
  9. int index;
  10.  
  11. // using normal iterators
  12. index = 2;
  13. std::list<int>::iterator it = ints.begin() + index;
  14. cout << "Element at index " << index << " is " << *it << '\n';
  15.  
  16. return 0;
  17. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.cpp: In function ‘int main()’:
prog.cpp:13:45: error: no match for ‘operator+’ (operand types are ‘std::__cxx11::list<int>::iterator’ {aka ‘std::_List_iterator<int>’} and ‘int’)
  std::list<int>::iterator it = ints.begin() + index;
                                ~~~~~~~~~~~~~^~~~~~~
In file included from /usr/include/c++/8/bits/stl_algobase.h:67,
                 from /usr/include/c++/8/bits/char_traits.h:39,
                 from /usr/include/c++/8/ios:40,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/stl_iterator.h:400:5: note: candidate: ‘template<class _Iterator> std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&)’
     operator+(typename reverse_iterator<_Iterator>::difference_type __n,
     ^~~~~~~~
/usr/include/c++/8/bits/stl_iterator.h:400:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   mismatched types ‘const std::reverse_iterator<_Iterator>’ and ‘int’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/bits/stl_algobase.h:67,
                 from /usr/include/c++/8/bits/char_traits.h:39,
                 from /usr/include/c++/8/ios:40,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/stl_iterator.h:1195:5: note: candidate: ‘template<class _Iterator> std::move_iterator<_IteratorL> std::operator+(typename std::move_iterator<_IteratorL>::difference_type, const std::move_iterator<_IteratorL>&)’
     operator+(typename move_iterator<_Iterator>::difference_type __n,
     ^~~~~~~~
/usr/include/c++/8/bits/stl_iterator.h:1195:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   mismatched types ‘const std::move_iterator<_IteratorL>’ and ‘int’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:52,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.h:5927:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)’
     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.h:5927:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   ‘std::__cxx11::list<int>::iterator’ {aka ‘std::_List_iterator<int>’} is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:53,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.tcc:1157:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)’
     operator+(const _CharT* __lhs,
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.tcc:1157:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   mismatched types ‘const _CharT*’ and ‘std::_List_iterator<int>’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:53,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.tcc:1173:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)’
     operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs)
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.tcc:1173:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   mismatched types ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ and ‘int’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:52,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.h:5964:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)’
     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.h:5964:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   ‘std::__cxx11::list<int>::iterator’ {aka ‘std::_List_iterator<int>’} is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:52,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.h:5980:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, _CharT)’
     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.h:5980:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   ‘std::__cxx11::list<int>::iterator’ {aka ‘std::_List_iterator<int>’} is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:52,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.h:5992:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)’
     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.h:5992:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   ‘std::__cxx11::list<int>::iterator’ {aka ‘std::_List_iterator<int>’} is not derived from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:52,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.h:5998:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)’
     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.h:5998:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   ‘std::__cxx11::list<int>::iterator’ {aka ‘std::_List_iterator<int>’} is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:52,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.h:6004:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)’
     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.h:6004:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   ‘std::__cxx11::list<int>::iterator’ {aka ‘std::_List_iterator<int>’} is not derived from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:52,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.h:6016:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)’
     operator+(const _CharT* __lhs,
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.h:6016:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   mismatched types ‘const _CharT*’ and ‘std::_List_iterator<int>’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:52,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.h:6022:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)’
     operator+(_CharT __lhs,
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.h:6022:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   mismatched types ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ and ‘int’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:52,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.h:6028:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _CharT*)’
     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.h:6028:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   ‘std::__cxx11::list<int>::iterator’ {aka ‘std::_List_iterator<int>’} is not derived from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
In file included from /usr/include/c++/8/string:52,
                 from /usr/include/c++/8/bits/locale_classes.h:40,
                 from /usr/include/c++/8/bits/ios_base.h:41,
                 from /usr/include/c++/8/ios:42,
                 from /usr/include/c++/8/ostream:38,
                 from /usr/include/c++/8/iostream:39,
                 from prog.cpp:1:
/usr/include/c++/8/bits/basic_string.h:6034:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, _CharT)’
     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
     ^~~~~~~~
/usr/include/c++/8/bits/basic_string.h:6034:5: note:   template argument deduction/substitution failed:
prog.cpp:13:47: note:   ‘std::__cxx11::list<int>::iterator’ {aka ‘std::_List_iterator<int>’} is not derived from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
  std::list<int>::iterator it = ints.begin() + index;
                                               ^~~~~
stdout
Standard output is empty