Main.cc: In function ‘int main()’:
Main.cc:28:19: error: no match for ‘operator!=’ (operand types are ‘std::basic_istream::__istream_type {aka std::basic_istream}’ and ‘int’)
while((cin>>n>>m)!=EOF){
^
Main.cc:28:19: note: candidate: operator!=(int, int)
Main.cc:28:19: 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/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from Main.cc:1:
/usr/include/c++/7/bits/regex.h:993:5: note: candidate: template bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)
operator!=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
^~~~~~~~
/usr/include/c++/7/bits/regex.h:993:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from Main.cc:1:
/usr/include/c++/7/bits/regex.h:1071:5: note: candidate: template bool std::__cxx11::operator!=(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)
operator!=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1071:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from Main.cc:1:
/usr/include/c++/7/bits/regex.h:1151:5: note: candidate: template bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)
operator!=(const sub_match<_Bi_iter>& __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1151:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from Main.cc:1:
/usr/include/c++/7/bits/regex.h:1228:5: note: candidate: template bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)
operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1228:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from Main.cc:1:
/usr/include/c++/7/bits/regex.h:1302:5: note: candidate: template bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)
operator!=(const sub_match<_Bi_iter>& __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1302:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from Main.cc:1:
/usr/include/c++/7/bits/regex.h:1379:5: note: candidate: template bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)
operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1379:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: mismatched types ‘const std::__cxx11::sub_match<_BiIter>’ and ‘int’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from Main.cc:1:
/usr/include/c++/7/bits/regex.h:1459:5: note: candidate: template bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)
operator!=(const sub_match<_Bi_iter>& __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1459:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::__cxx11::sub_match<_BiIter>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from Main.cc:1:
/usr/include/c++/7/bits/regex.h:1986:5: note: candidate: template bool std::__cxx11::operator!=(const std::__cxx11::match_results<_BiIter, _Alloc>&, const std::__cxx11::match_results<_BiIter, _Alloc>&)
operator!=(const match_results<_Bi_iter, _Alloc>& __m1,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1986:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::__cxx11::match_results<_BiIter, _Alloc>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/iosfwd:40:0,
from /usr/include/c++/7/ios:38,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/postypes.h:221:5: note: candidate: template bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&)
operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
^~~~~~~~
/usr/include/c++/7/bits/postypes.h:221:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::fpos<_StateT>’
while((cin>>n>>m)!=EOF){
^
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/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/stl_pair.h:461:5: 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:461:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::pair<_T1, _T2>’
while((cin>>n>>m)!=EOF){
^
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/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/stl_iterator.h:314:5: 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:314:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
while((cin>>n>>m)!=EOF){
^
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/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/stl_iterator.h:352:5: 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:352:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::reverse_iterator<_Iterator>’
while((cin>>n>>m)!=EOF){
^
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/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/stl_iterator.h:1133:5: 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:1133:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::move_iterator<_IteratorL>’
while((cin>>n>>m)!=EOF){
^
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/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/stl_iterator.h:1139:5: 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:1139:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::move_iterator<_IteratorL>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/string:41:0,
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/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/allocator.h:158:5: note: candidate: template bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_T2>&)
operator!=(const allocator<_T1>&, const allocator<_T2>&)
^~~~~~~~
/usr/include/c++/7/bits/allocator.h:158:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::allocator<_CharT>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/string:41:0,
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/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/allocator.h:164:5: note: candidate: template bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_CharT>&)
operator!=(const allocator<_Tp>&, const allocator<_Tp>&)
^~~~~~~~
/usr/include/c++/7/bits/allocator.h:164:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::allocator<_CharT>’
while((cin>>n>>m)!=EOF){
^
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/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/basic_string.h:6056:5: 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:6056:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
while((cin>>n>>m)!=EOF){
^
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/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/basic_string.h:6069:5: 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:6069:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: mismatched types ‘const _CharT*’ and ‘std::basic_istream’
while((cin>>n>>m)!=EOF){
^
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/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/basic_string.h:6081:5: 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:6081:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/bits/ios_base.h:46:0,
from /usr/include/c++/7/ios:42,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/system_error:319:3: note: candidate: bool std::operator!=(const std::error_code&, const std::error_code&)
operator!=(const error_code& __lhs, const error_code& __rhs) noexcept
^~~~~~~~
/usr/include/c++/7/system_error:319:3: note: no known conversion for argument 1 from ‘std::basic_istream::__istream_type {aka std::basic_istream}’ to ‘const std::error_code&’
/usr/include/c++/7/system_error:323:3: note: candidate: bool std::operator!=(const std::error_code&, const std::error_condition&)
operator!=(const error_code& __lhs, const error_condition& __rhs) noexcept
^~~~~~~~
/usr/include/c++/7/system_error:323:3: note: no known conversion for argument 1 from ‘std::basic_istream::__istream_type {aka std::basic_istream}’ to ‘const std::error_code&’
/usr/include/c++/7/system_error:327:3: note: candidate: bool std::operator!=(const std::error_condition&, const std::error_code&)
operator!=(const error_condition& __lhs, const error_code& __rhs) noexcept
^~~~~~~~
/usr/include/c++/7/system_error:327:3: note: no known conversion for argument 1 from ‘std::basic_istream::__istream_type {aka std::basic_istream}’ to ‘const std::error_condition&’
/usr/include/c++/7/system_error:331:3: note: candidate: bool std::operator!=(const std::error_condition&, const std::error_condition&)
operator!=(const error_condition& __lhs,
^~~~~~~~
/usr/include/c++/7/system_error:331:3: note: no known conversion for argument 1 from ‘std::basic_istream::__istream_type {aka std::basic_istream}’ to ‘const std::error_condition&’
In file included from /usr/include/c++/7/bits/locale_facets.h:48:0,
from /usr/include/c++/7/bits/basic_ios.h:37,
from /usr/include/c++/7/ios:44,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/bits/streambuf_iterator.h:210:5: note: candidate: template bool std::operator!=(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&)
operator!=(const istreambuf_iterator<_CharT, _Traits>& __a,
^~~~~~~~
/usr/include/c++/7/bits/streambuf_iterator.h:210:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::istreambuf_iterator<_CharT, _Traits>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/ccomplex:39:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/complex:476:5: note: candidate: template constexpr bool std::operator!=(const std::complex<_Tp>&, const std::complex<_Tp>&)
operator!=(const complex<_Tp>& __x, const complex<_Tp>& __y)
^~~~~~~~
/usr/include/c++/7/complex:476:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::complex<_Tp>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/ccomplex:39:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/complex:481:5: note: candidate: template constexpr bool std::operator!=(const std::complex<_Tp>&, const _Tp&)
operator!=(const complex<_Tp>& __x, const _Tp& __y)
^~~~~~~~
/usr/include/c++/7/complex:481:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::complex<_Tp>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/ccomplex:39:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from Main.cc:1:
/usr/include/c++/7/complex:486:5: note: candidate: template constexpr bool std::operator!=(const _Tp&, const std::complex<_Tp>&)
operator!=(const _Tp& __x, const complex<_Tp>& __y)
^~~~~~~~
/usr/include/c++/7/complex:486:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: mismatched types ‘const std::complex<_Tp>’ and ‘int’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/deque:64:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:68,
from Main.cc:1:
/usr/include/c++/7/bits/stl_deque.h:280:5: note: candidate: template bool std::operator!=(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)
operator!=(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
^~~~~~~~
/usr/include/c++/7/bits/stl_deque.h:280:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:41:0,
from /usr/include/c++/7/cstdio:42,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:46,
from Main.cc:1:
Main.cc:28:21: note: ‘std::basic_istream::__istream_type {aka std::basic_istream}’ is not derived from ‘const std::_Deque_iterator<_Tp, _Ref, _Ptr>’
while((cin>>n>>m)!=EOF){
^
In file included from /usr/include/c++/7/deque:64:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:68,
from Main.cc:1:
/usr/include/c++/7/bits/stl_deque.h:287:5: note: candidate: template bool std::operator!=(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&)