<div class="solution-view">
    <h3>Run id: 4519</h3>
            <pre>Main.cc: In function 'int main()':
Main.cc:18:23: error: no match for 'operator&lt;' (operand types are 'std::basic_ostream' and 'long long int')
   cout bool std::operator&lt;(const std::sub_match&lt;_BiIter&gt;&amp;, const typename std::iterator_traits&lt;_Iter&gt;::value_type&amp;)
     operator&lt;(const sub_match&lt;_Bi_iter&gt;&amp; __lhs,
     ^
/usr/include/c++/4.8.2/bits/regex.h:1334:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::sub_match&lt;_BiIter&gt;'
   cout bool std::operator&lt;(const typename std::iterator_traits&lt;_Iter&gt;::value_type&amp;, const std::sub_match&lt;_BiIter&gt;&amp;)
     operator&lt;(typename iterator_traits&lt;_Bi_iter&gt;::value_type const&amp; __lhs,
     ^
/usr/include/c++/4.8.2/bits/regex.h:1254:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   mismatched types 'const std::sub_match&lt;_BiIter&gt;' and 'long long int'
   cout bool std::operator&lt;(const std::sub_match&lt;_BiIter&gt;&amp;, const typename std::iterator_traits&lt;_Iter&gt;::value_type*)
     operator&lt;(const sub_match&lt;_Bi_iter&gt;&amp; __lhs,
     ^
/usr/include/c++/4.8.2/bits/regex.h:1177:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::sub_match&lt;_BiIter&gt;'
   cout bool std::operator&lt;(const typename std::iterator_traits&lt;_Iter&gt;::value_type*, const std::sub_match&lt;_BiIter&gt;&amp;)
     operator&lt;(typename iterator_traits&lt;_Bi_iter&gt;::value_type const* __lhs,
     ^
/usr/include/c++/4.8.2/bits/regex.h:1103:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   mismatched types 'const typename std::iterator_traits&lt;_Iter&gt;::value_type*' and 'std::basic_ostream'
   cout bool std::operator&lt;(const std::sub_match&lt;_BiIter&gt;&amp;, std::__sub_match_string&lt;_Bi_iter, _Ch_traits, _Ch_alloc&gt;&amp;)
     operator&lt;(const sub_match&lt;_Bi_iter&gt;&amp; __lhs,
     ^
/usr/include/c++/4.8.2/bits/regex.h:1029:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::sub_match&lt;_BiIter&gt;'
   cout bool std::operator&lt;(std::__sub_match_string&lt;_Bi_iter, _Ch_traits, _Ch_alloc&gt;&amp;, const std::sub_match&lt;_BiIter&gt;&amp;)
     operator&lt;(const __sub_match_string&lt;_Bi_iter, _Ch_traits, _Ch_alloc&gt;&amp; __lhs,
     ^
/usr/include/c++/4.8.2/bits/regex.h:955:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'std::__sub_match_string&lt;_Bi_iter, _Ch_traits, _Ch_alloc&gt;'
   cout bool std::operator&lt;(const std::sub_match&lt;_BiIter&gt;&amp;, const std::sub_match&lt;_BiIter&gt;&amp;)
     operator&lt;(const sub_match&lt;_BiIter&gt;&amp; __lhs, const sub_match&lt;_BiIter&gt;&amp; __rhs)
     ^
/usr/include/c++/4.8.2/bits/regex.h:879:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::sub_match&lt;_BiIter&gt;'
   cout bool std::operator&lt;(const std::forward_list&lt;_Tp, _Alloc&gt;&amp;, const std::forward_list&lt;_Tp, _Alloc&gt;&amp;)
     operator&lt;(const forward_list&lt;_Tp, _Alloc&gt;&amp; __lx,
     ^
/usr/include/c++/4.8.2/bits/forward_list.h:1359:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::forward_list&lt;_Tp, _Alloc&gt;'
   cout' to 'const std::error_condition&amp;'
/usr/include/c++/4.8.2/system_error:177:3: note: bool std::operator&lt;(const std::error_code&amp;, const std::error_code&amp;)
   operator&lt;(const error_code&amp; __lhs, const error_code&amp; __rhs) noexcept
   ^
/usr/include/c++/4.8.2/system_error:177:3: note:   no known conversion for argument 1 from 'std::basic_ostream' to 'const std::error_code&amp;'
In file included from /usr/include/c++/4.8.2/x86_64-redhat-linux/bits/stdc++.h:94:0,
                 from Main.cc:1:
/usr/include/c++/4.8.2/valarray:1181:1: note: template std::_Expr, typename std::__fun::result_type&gt; std::operator&lt;(const _Tp&amp;, const std::valarray&lt;_Tp&gt;&amp;)
 _DEFINE_BINARY_OPERATOR(&lt;, __less)
 ^
/usr/include/c++/4.8.2/valarray:1181:1: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   mismatched types 'const std::valarray&lt;_Tp&gt;' and 'long long int'
   cout std::_Expr, typename std::__fun::result_type&gt; std::operator&lt;(const std::valarray&lt;_Tp&gt;&amp;, const _Tp&amp;)
 _DEFINE_BINARY_OPERATOR(&lt;, __less)
 ^
/usr/include/c++/4.8.2/valarray:1181:1: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::valarray&lt;_Tp&gt;'
   cout std::_Expr, typename std::__fun::result_type&gt; std::operator&lt;(const std::valarray&lt;_Tp&gt;&amp;, const std::valarray&lt;_Tp&gt;&amp;)
 _DEFINE_BINARY_OPERATOR(&lt;, __less)
 ^
/usr/include/c++/4.8.2/valarray:1181:1: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::valarray&lt;_Tp&gt;'
   cout std::_Expr, typename std::__fun::result_type&gt; std::operator&lt;(const std::valarray&amp;, const std::_Expr&lt;_Dom1, typename _Dom1::value_type&gt;&amp;)
     _DEFINE_EXPR_BINARY_OPERATOR(&lt;, __less)
     ^
/usr/include/c++/4.8.2/bits/valarray_after.h:416:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::valarray'
   cout std::_Expr, typename std::__fun::result_type&gt; std::operator&lt;(const std::_Expr&lt;_Dom1, typename _Dom1::value_type&gt;&amp;, const std::valarray&amp;)
     _DEFINE_EXPR_BINARY_OPERATOR(&lt;, __less)
     ^
/usr/include/c++/4.8.2/bits/valarray_after.h:416:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::_Expr&lt;_Dom1, typename _Dom1::value_type&gt;'
   cout std::_Expr, typename std::__fun::result_type&gt; std::operator&lt;(const typename _Dom::value_type&amp;, const std::_Expr&lt;_Dom1, typename _Dom1::value_type&gt;&amp;)
     _DEFINE_EXPR_BINARY_OPERATOR(&lt;, __less)
     ^
/usr/include/c++/4.8.2/bits/valarray_after.h:416:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   mismatched types 'const std::_Expr&lt;_Dom1, typename _Dom1::value_type&gt;' and 'long long int'
   cout std::_Expr, typename std::__fun::result_type&gt; std::operator&lt;(const std::_Expr&lt;_Dom1, typename _Dom1::value_type&gt;&amp;, const typename _Dom::value_type&amp;)
     _DEFINE_EXPR_BINARY_OPERATOR(&lt;, __less)
     ^
/usr/include/c++/4.8.2/bits/valarray_after.h:416:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::_Expr&lt;_Dom1, typename _Dom1::value_type&gt;'
   cout std::_Expr, typename std::__fun::result_type&gt; std::operator&lt;(const std::_Expr&lt;_Dom1, typename _Dom1::value_type&gt;&amp;, const std::_Expr&lt;_Dom2, typename _Dom2::value_type&gt;&amp;)
     _DEFINE_EXPR_BINARY_OPERATOR(&lt;, __less)
     ^
/usr/include/c++/4.8.2/bits/valarray_after.h:416:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::_Expr&lt;_Dom1, typename _Dom1::value_type&gt;'
   cout bool std::operator&lt;(const std::stack&lt;_Tp, _Seq&gt;&amp;, const std::stack&lt;_Tp, _Seq&gt;&amp;)
     operator&lt;(const stack&lt;_Tp, _Seq&gt;&amp; __x, const stack&lt;_Tp, _Seq&gt;&amp; __y)
     ^
/usr/include/c++/4.8.2/bits/stl_stack.h:261:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::stack&lt;_Tp, _Seq&gt;'
   cout bool std::operator&lt;(const std::multiset&lt;_Key, _Compare, _Alloc&gt;&amp;, const std::multiset&lt;_Key, _Compare, _Alloc&gt;&amp;)
     operator&lt;(const multiset&lt;_Key, _Compare, _Alloc&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_multiset.h:756:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::multiset&lt;_Key, _Compare, _Alloc&gt;'
   cout bool std::operator&lt;(const std::set&lt;_Key, _Compare, _Alloc&gt;&amp;, const std::set&lt;_Key, _Compare, _Alloc&gt;&amp;)
     operator&lt;(const set&lt;_Key, _Compare, _Alloc&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_set.h:771:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::set&lt;_Key, _Compare, _Alloc&gt;'
   cout bool std::operator&lt;(const std::queue&lt;_Tp, _Seq&gt;&amp;, const std::queue&lt;_Tp, _Seq&gt;&amp;)
     operator&lt;(const queue&lt;_Tp, _Seq&gt;&amp; __x, const queue&lt;_Tp, _Seq&gt;&amp; __y)
     ^
/usr/include/c++/4.8.2/bits/stl_queue.h:286:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::queue&lt;_Tp, _Seq&gt;'
   cout bool std::operator&lt;(std::nullptr_t, const std::shared_ptr&lt;_Tp1&gt;&amp;)
     operator&lt;(nullptr_t, const shared_ptr&lt;_Tp&gt;&amp; __a) noexcept
     ^
/usr/include/c++/4.8.2/bits/shared_ptr.h:373:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   cannot convert 'std::operator&lt;  &gt;((* &amp;(&amp; std::operator&lt;  &gt;((* &amp; std::cout.std::basic_ostream&lt;_CharT, _Traits&gt;::operator&lt;  &gt;(b)), ((const char*)" ")))-&gt;std::basic_ostream&lt;_CharT, _Traits&gt;::operator&lt;  &gt;(c)), ((const char*)" "))' (type 'std::basic_ostream') to type 'std::nullptr_t'
   cout bool std::operator&lt;(const std::shared_ptr&lt;_Tp1&gt;&amp;, std::nullptr_t)
     operator&lt;(const shared_ptr&lt;_Tp&gt;&amp; __a, nullptr_t) noexcept
     ^
/usr/include/c++/4.8.2/bits/shared_ptr.h:368:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::shared_ptr&lt;_Tp1&gt;'
   cout bool std::operator&lt;(const std::shared_ptr&lt;_Tp1&gt;&amp;, const std::shared_ptr&lt;_Tp2&gt;&amp;)
     operator&lt;(const shared_ptr&lt;_Tp1&gt;&amp; __a,
     ^
/usr/include/c++/4.8.2/bits/shared_ptr.h:359:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::shared_ptr&lt;_Tp1&gt;'
   cout bool std::operator&lt;(std::nullptr_t, const std::__shared_ptr&lt;_Tp, _Lp&gt;&amp;)
     operator&lt;(nullptr_t, const __shared_ptr&lt;_Tp, _Lp&gt;&amp; __a) noexcept
     ^
/usr/include/c++/4.8.2/bits/shared_ptr_base.h:1075:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   cannot convert 'std::operator&lt;  &gt;((* &amp;(&amp; std::operator&lt;  &gt;((* &amp; std::cout.std::basic_ostream&lt;_CharT, _Traits&gt;::operator&lt;  &gt;(b)), ((const char*)" ")))-&gt;std::basic_ostream&lt;_CharT, _Traits&gt;::operator&lt;  &gt;(c)), ((const char*)" "))' (type 'std::basic_ostream') to type 'std::nullptr_t'
   cout bool std::operator&lt;(const std::__shared_ptr&lt;_Tp, _Lp&gt;&amp;, std::nullptr_t)
     operator&lt;(const __shared_ptr&lt;_Tp, _Lp&gt;&amp; __a, nullptr_t) noexcept
     ^
/usr/include/c++/4.8.2/bits/shared_ptr_base.h:1070:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::__shared_ptr&lt;_Tp, _Lp&gt;'
   cout bool std::operator&lt;(const std::__shared_ptr&lt;_Tp1, _Lp&gt;&amp;, const std::__shared_ptr&lt;_Tp2, _Lp&gt;&amp;)
     operator&lt;(const __shared_ptr&lt;_Tp1, _Lp&gt;&amp; __a,
     ^
/usr/include/c++/4.8.2/bits/shared_ptr_base.h:1061:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::__shared_ptr&lt;_Tp1, _Lp&gt;'
   cout bool std::operator&lt;(std::nullptr_t, const std::unique_ptr&lt;_Tp, _Dp&gt;&amp;)
     operator&lt;(nullptr_t, const unique_ptr&lt;_Tp, _Dp&gt;&amp; __x)
     ^
/usr/include/c++/4.8.2/bits/unique_ptr.h:540:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   cannot convert 'std::operator&lt;  &gt;((* &amp;(&amp; std::operator&lt;  &gt;((* &amp; std::cout.std::basic_ostream&lt;_CharT, _Traits&gt;::operator&lt;  &gt;(b)), ((const char*)" ")))-&gt;std::basic_ostream&lt;_CharT, _Traits&gt;::operator&lt;  &gt;(c)), ((const char*)" "))' (type 'std::basic_ostream') to type 'std::nullptr_t'
   cout bool std::operator&lt;(const std::unique_ptr&lt;_Tp, _Dp&gt;&amp;, std::nullptr_t)
     operator&lt;(const unique_ptr&lt;_Tp, _Dp&gt;&amp; __x, nullptr_t)
     ^
/usr/include/c++/4.8.2/bits/unique_ptr.h:534:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::unique_ptr&lt;_Tp, _Dp&gt;'
   cout bool std::operator&lt;(const std::unique_ptr&lt;_Tp, _Dp&gt;&amp;, const std::unique_ptr&lt;_Up, _Ep&gt;&amp;)
     operator&lt;(const unique_ptr&lt;_Tp, _Dp&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/unique_ptr.h:523:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::unique_ptr&lt;_Tp, _Dp&gt;'
   cout bool std::operator&lt;(const std::multimap&lt;_Key, _Tp, _Compare, _Alloc&gt;&amp;, const std::multimap&lt;_Key, _Tp, _Compare, _Alloc&gt;&amp;)
     operator&lt;(const multimap&lt;_Key, _Tp, _Compare, _Alloc&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_multimap.h:881:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::multimap&lt;_Key, _Tp, _Compare, _Alloc&gt;'
   cout bool std::operator&lt;(const std::map&lt;_Key, _Tp, _Compare, _Alloc&gt;&amp;, const std::map&lt;_Key, _Tp, _Compare, _Alloc&gt;&amp;)
     operator&lt;(const map&lt;_Key, _Tp, _Compare, _Alloc&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_map.h:979:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::map&lt;_Key, _Tp, _Compare, _Alloc&gt;'
   cout bool std::operator&lt;(const std::_Rb_tree&lt;_Key, _Val, _KeyOfValue, _Compare, _Alloc&gt;&amp;, const std::_Rb_tree&lt;_Key, _Val, _KeyOfValue, _Compare, _Alloc&gt;&amp;)
     operator&lt;(const _Rb_tree&lt;_Key, _Val, _KeyOfValue, _Compare, _Alloc&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_tree.h:917:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::_Rb_tree&lt;_Key, _Val, _KeyOfValue, _Compare, _Alloc&gt;'
   cout bool std::operator&lt;(const std::list&lt;_Tp, _Alloc&gt;&amp;, const std::list&lt;_Tp, _Alloc&gt;&amp;)
     operator&lt;(const list&lt;_Tp, _Alloc&gt;&amp; __x, const list&lt;_Tp, _Alloc&gt;&amp; __y)
     ^
/usr/include/c++/4.8.2/bits/stl_list.h:1631:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::list&lt;_Tp, _Alloc&gt;'
   cout bool std::operator&lt;(const std::deque&lt;_Tp, _Alloc&gt;&amp;, const std::deque&lt;_Tp, _Alloc&gt;&amp;)
     operator&lt;(const deque&lt;_Tp, _Alloc&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_deque.h:1975:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::deque&lt;_Tp, _Alloc&gt;'
   cout bool std::operator&lt;(const std::_Deque_iterator&lt;_Tp, _Ref, _Ptr&gt;&amp;, const std::_Deque_iterator&lt;_Tp, _RefR, _PtrR&gt;&amp;)
     operator&lt;(const _Deque_iterator&lt;_Tp, _RefL, _PtrL&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_deque.h:281:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::_Deque_iterator&lt;_Tp, _Ref, _Ptr&gt;'
   cout bool std::operator&lt;(const std::_Deque_iterator&lt;_Tp, _Ref, _Ptr&gt;&amp;, const std::_Deque_iterator&lt;_Tp, _Ref, _Ptr&gt;&amp;)
     operator&lt;(const _Deque_iterator&lt;_Tp, _Ref, _Ptr&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_deque.h:273:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::_Deque_iterator&lt;_Tp, _Ref, _Ptr&gt;'
   cout constexpr bool std::operator&lt;(const std::tuple&lt;_Elements ...&gt;&amp;, const std::tuple&lt;_Elements ...&gt;&amp;)
     operator&lt;(const tuple&lt;_TElements...&gt;&amp; __t,
     ^
/usr/include/c++/4.8.2/tuple:824:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::tuple&lt;_Elements ...&gt;'
   cout bool std::operator&lt;(const std::array&lt;_Tp, _Nm&gt;&amp;, const std::array&lt;_Tp, _Nm&gt;&amp;)
     operator&lt;(const array&lt;_Tp, _Nm&gt;&amp; __a, const array&lt;_Tp, _Nm&gt;&amp; __b)
     ^
/usr/include/c++/4.8.2/array:238:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::array&lt;_Tp, _Nm&gt;'
   cout bool std::operator&lt;(const std::vector&lt;_Tp, _Alloc&gt;&amp;, const std::vector&lt;_Tp, _Alloc&gt;&amp;)
     operator&lt;(const vector&lt;_Tp, _Alloc&gt;&amp; __x, const vector&lt;_Tp, _Alloc&gt;&amp; __y)
     ^
/usr/include/c++/4.8.2/bits/stl_vector.h:1421:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::vector&lt;_Tp, _Alloc&gt;'
   cout bool std::operator&lt;(const _CharT*, const std::basic_string&lt;_CharT, _Traits, _Alloc&gt;&amp;)
     operator&lt;(const _CharT* __lhs,
     ^
/usr/include/c++/4.8.2/bits/basic_string.h:2593:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   mismatched types 'const _CharT*' and 'std::basic_ostream'
   cout bool std::operator&lt;(const std::basic_string&lt;_CharT, _Traits, _Alloc&gt;&amp;, const _CharT*)
     operator&lt;(const basic_string&lt;_CharT, _Traits, _Alloc&gt;&amp; __lhs,
     ^
/usr/include/c++/4.8.2/bits/basic_string.h:2581:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::basic_string&lt;_CharT, _Traits, _Alloc&gt;'
   cout bool std::operator&lt;(const std::basic_string&lt;_CharT, _Traits, _Alloc&gt;&amp;, const std::basic_string&lt;_CharT, _Traits, _Alloc&gt;&amp;)
     operator&lt;(const basic_string&lt;_CharT, _Traits, _Alloc&gt;&amp; __lhs,
     ^
/usr/include/c++/4.8.2/bits/basic_string.h:2569:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::basic_string&lt;_CharT, _Traits, _Alloc&gt;'
   cout bool std::operator&lt;(const std::move_iterator&lt;_Iterator&gt;&amp;, const std::move_iterator&lt;_Iterator&gt;&amp;)
     operator&lt;(const move_iterator&lt;_Iterator&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_iterator.h:1061:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::move_iterator&lt;_Iterator&gt;'
   cout bool std::operator&lt;(const std::move_iterator&lt;_Iterator&gt;&amp;, const std::move_iterator&lt;_IteratorR&gt;&amp;)
     operator&lt;(const move_iterator&lt;_IteratorL&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_iterator.h:1055:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::move_iterator&lt;_Iterator&gt;'
   cout bool std::operator&lt;(const std::reverse_iterator&lt;_Iterator&gt;&amp;, const std::reverse_iterator&lt;_IteratorR&gt;&amp;)
     operator&lt;(const reverse_iterator&lt;_IteratorL&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_iterator.h:347:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::reverse_iterator&lt;_Iterator&gt;'
   cout bool std::operator&lt;(const std::reverse_iterator&lt;_Iterator&gt;&amp;, const std::reverse_iterator&lt;_Iterator&gt;&amp;)
     operator&lt;(const reverse_iterator&lt;_Iterator&gt;&amp; __x,
     ^
/usr/include/c++/4.8.2/bits/stl_iterator.h:297:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::reverse_iterator&lt;_Iterator&gt;'
   cout constexpr bool std::operator&lt;(const std::pair&lt;_T1, _T2&gt;&amp;, const std::pair&lt;_T1, _T2&gt;&amp;)
     operator&lt;(const pair&lt;_T1, _T2&gt;&amp; __x, const pair&lt;_T1, _T2&gt;&amp; __y)
     ^
/usr/include/c++/4.8.2/bits/stl_pair.h:220:5: note:   template argument deduction/substitution failed:
Main.cc:18:24: note:   'std::basic_ostream' is not derived from 'const std::pair&lt;_T1, _T2&gt;'
   cout&lt;b&lt;&lt;" "&lt;&lt;c&lt;&lt;" "&lt;a;
                        ^
</pre>
    </div>