<div class="solution-view">
    <h3>Run id: 136874</h3>
            <pre>Main.cc: In function 'int main()':
Main.cc:5:10: error: 's' was not declared in this scope
  int len=s.size();
          ^
Main.cc:6:5: error: no match for 'operator&lt;&lt;' (operand types are 'std::istream {aka std::basic_istream}' and 'std::__cxx11::string {aka std::__cxx11::basic_string}')
  cin&lt;<a> std::basic_ostream&lt;_CharT, _Traits&gt;&amp; std::__cxx11::operator&lt;&lt;(std::basic_ostream&lt;_CharT, _Traits&gt;&amp;, const std::__cxx11::sub_match&lt;_Bi_iter&gt;&amp;)
     operator&lt;&lt;(basic_ostream&lt;_Ch_type, _Ch_traits&gt;&amp; __os,
     ^
/usr/include/c++/5/bits/regex.h:1480:5: note:   template argument deduction/substitution failed:
Main.cc:6:7: note:   'std::istream {aka std::basic_istream}' is not derived from 'std::basic_ostream&lt;_CharT, _Traits&gt;'
  cin&lt;</a></pre>
    </div>