Main.cc: In function ‘int main()’:
Main.cc:13:12: error: no match for ‘operator>’ (operand types are ‘std::basic_istream::__istream_type {aka std::basic_istream}’ and ‘int’)
cin>>l>>r>z;
~~~~~~~~~^~
Main.cc:13:12: note: candidate: operator>(int, int)
Main.cc:13:12: note: no known conversion for argument 1 from ‘std::basic_istream::__istream_type {aka std::basic_istream}’ to ‘int’
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
from /usr/include/c++/7/bits/char_traits.h:39,
from /usr/include/c++/7/ios:40,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from Main.cc:1:
/usr/include/c++/7/bits/stl_pair.h:467:5: note: candidate: template constexpr bool std::operator>(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:467:5: note: template argument deduction/substitution failed:
Main.cc:13:13: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::pair<_T1, _T2>’
cin>>l>>r>z;
^
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
from /usr/include/c++/7/bits/char_traits.h:39,
from /usr/include/c++/7/ios:40,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from Main.cc:1:
/usr/include/c++/7/bits/stl_iterator.h:320:5: note: candidate: template bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
operator>(const reverse_iterator<_Iterator>& __x,
^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:320:5: note: template argument deduction/substitution failed:
Main.cc:13:13: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
cin>>l>>r>z;
^
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
from /usr/include/c++/7/bits/char_traits.h:39,
from /usr/include/c++/7/ios:40,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from Main.cc:1:
/usr/include/c++/7/bits/stl_iterator.h:358:5: note: candidate: template bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
operator>(const reverse_iterator<_IteratorL>& __x,
^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:358:5: note: template argument deduction/substitution failed:
Main.cc:13:13: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
cin>>l>>r>z;
^
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
from /usr/include/c++/7/bits/char_traits.h:39,
from /usr/include/c++/7/ios:40,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from Main.cc:1:
/usr/include/c++/7/bits/stl_iterator.h:1169:5: note: candidate: template bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)
operator>(const move_iterator<_IteratorL>& __x,
^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:1169:5: note: template argument deduction/substitution failed:
Main.cc:13:13: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::move_iterator<_IteratorL>’
cin>>l>>r>z;
^
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
from /usr/include/c++/7/bits/char_traits.h:39,
from /usr/include/c++/7/ios:40,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from Main.cc:1:
/usr/include/c++/7/bits/stl_iterator.h:1175:5: note: candidate: template bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)
operator>(const move_iterator<_Iterator>& __x,
^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:1175:5: note: template argument deduction/substitution failed:
Main.cc:13:13: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::move_iterator<_IteratorL>’
cin>>l>>r>z;
^
In file included from /usr/include/c++/7/string:52:0,
from /usr/include/c++/7/bits/locale_classes.h:40,
from /usr/include/c++/7/bits/ios_base.h:41,
from /usr/include/c++/7/ios:42,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from Main.cc:1:
/usr/include/c++/7/bits/basic_string.h:6132:5: note: candidate: template bool 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++/7/bits/basic_string.h:6132:5: note: template argument deduction/substitution failed:
Main.cc:13:13: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
cin>>l>>r>z;
^
In file included from /usr/include/c++/7/string:52:0,
from /usr/include/c++/7/bits/locale_classes.h:40,
from /usr/include/c++/7/bits/ios_base.h:41,
from /usr/include/c++/7/ios:42,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from Main.cc:1:
/usr/include/c++/7/bits/basic_string.h:6145:5: note: candidate: template bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:6145:5: note: template argument deduction/substitution failed:
Main.cc:13:13: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
cin>>l>>r>z;
^
In file included from /usr/include/c++/7/string:52:0,
from /usr/include/c++/7/bits/locale_classes.h:40,
from /usr/include/c++/7/bits/ios_base.h:41,
from /usr/include/c++/7/ios:42,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from Main.cc:1:
/usr/include/c++/7/bits/basic_string.h:6157:5: note: candidate: template bool std::operator>(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
operator>(const _CharT* __lhs,
^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:6157:5: note: template argument deduction/substitution failed:
Main.cc:13:13: note: mismatched types ‘const _CharT*’ and ‘std::basic_istream’
cin>>l>>r>z;
^