0_0_37212854_2722.cpp: In function 'int main()':
0_0_37212854_2722.cpp:22:21: error: no match for 'operator-' (operand types are 'city' and 'int')
s[i].cha=a[i]-a[i].two;
^
0_0_37212854_2722.cpp:22:21: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_37212854_2722.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:328:5: note: template<class _Iterator> typename std::reverse_iterator<_Iterator>::difference_type std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
operator-(const reverse_iterator<_Iterator>& __x,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:328:5: note: template argument deduction/substitution failed:
0_0_37212854_2722.cpp:22:27: note: 'city' is not derived from 'const std::reverse_iterator<_Iterator>'
s[i].cha=a[i]-a[i].two;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_37212854_2722.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:380:5: note: template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
operator-(const reverse_iterator<_IteratorL>& __x,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:380:5: note: template argument deduction/substitution failed:
0_0_37212854_2722.cpp:22:27: note: 'city' is not derived from 'const std::reverse_iterator<_Iterator>'
s[i].cha=a[i]-a[i].two;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_37212854_2722.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1121:5: note: template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&)
operator-(const move_iterator<_IteratorL>& __x,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1121:5: note: template argument deduction/substitution failed:
0_0_37212854_2722.cpp:22:27: note: 'city' is not derived from 'const std::move_iterator<_Iterator>'
s[i].cha=a[i]-a[i].two;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algobase.h:67:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/char_traits.h:39,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_37212854_2722.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1128:5: note: template<class _Iterator> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&)
operator-(const move_iterator<_Iterator>& __x,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_iterator.h:1128:5: note: template argument deduction/substitution failed:
0_0_37212854_2722.cpp:22:27: note: 'city' is not derived from 'const std::move_iterator<_Iterator>'
s[i].cha=a[i]-a[i].two;
^
0_0_37212854_2722.cpp:27:17: error: 'sort' was not declared in this scope
sort(s,s+n,cmp);
^
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