Language: C++

#include<iostream>
using namespace std;

void judge(string *str)
{
  string sub0[99];
  string sub1[99];
  if(str.length % 2 == 0)
  {
    cout << "No";
  }
  else if(str.length == 1)
  {
    cout << "Yes";
  }
  else
  {
    sub0 = substr(0, (str.length - 1) / 2);
    sub1 = substr((str.length) / 2, str.length);
    judge(sub0);
    judge(sub1);
  }
}


int main(void)
{
  string str[100];
  
  cin >> str;
  judge(str);
 
}

Compiler output:
a.cc: In function 'void judge(std::string*)':
a.cc:8:10: error: request for member 'length' in 'str', which is of pointer type 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} (maybe you meant to use '->' ?)
    8 |   if(str.length % 2 == 0)
      |          ^~~~~~
a.cc:12:15: error: request for member 'length' in 'str', which is of pointer type 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} (maybe you meant to use '->' ?)
   12 |   else if(str.length == 1)
      |               ^~~~~~
a.cc:18:27: error: request for member 'length' in 'str', which is of pointer type 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} (maybe you meant to use '->' ?)
   18 |     sub0 = substr(0, (str.length - 1) / 2);
      |                           ^~~~~~
a.cc:18:12: error: 'substr' was not declared in this scope
   18 |     sub0 = substr(0, (str.length - 1) / 2);
      |            ^~~~~~
a.cc:19:24: error: request for member 'length' in 'str', which is of pointer type 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} (maybe you meant to use '->' ?)
   19 |     sub1 = substr((str.length) / 2, str.length);
      |                        ^~~~~~
a.cc:19:41: error: request for member 'length' in 'str', which is of pointer type 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} (maybe you meant to use '->' ?)
   19 |     sub1 = substr((str.length) / 2, str.length);
      |                                         ^~~~~~
a.cc: In function 'int main()':
a.cc:30:7: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'std::string [100]' {aka 'std::__cxx11::basic_string<char> [100]'})
   30 |   cin >> str;
      |   ~~~ ^~ ~~~
      |   |      |
      |   |      std::string [100] {aka std::__cxx11::basic_string<char> [100]}
      |   std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/14/iostream:42,
                 from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  170 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:170:7: note:   conversion of argument 1 would be ill-formed:
a.cc:30:10: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'std::string*' {aka 'std::__cxx11::basic_string<char>*'}
   30 |   cin >> str;
      |          ^~~
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  174 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:174:7: note:   conversion of argument 1 would be ill-formed:
a.cc:30:10: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'short int' [-fpermissive]
   30 |   cin >> str;
      |          ^~~
      |          |
      |          std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:30:10: error: cannot bind rvalue '(short int)((std::string*)(& str))' to 'short int&'
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  177 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:177:7: note:   conversion of argument 1 would be ill-formed:
a.cc:30:10: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'short unsigned int' [-fpermissive]
   30 |   cin >> str;
      |          ^~~
      |          |
      |          std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:30:10: error: cannot bind rvalue '(short unsigned int)((std::string*)(& str))' to 'short unsigned int&'
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  181 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:181:7: note:   conversion of argument 1 would be ill-formed:
a.cc:30:10: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'int' [-fpermissive]
   30 |   cin >> str;
      |          ^~~
      |          |
      |          std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:30:10: error: cannot bind rvalue '(int)((std::string*)(& str))' to 'int&'
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  184 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:184:7: note:   conversion of argument 1 would be ill-formed:
a.cc:30:10: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'unsigned int' [-fpermissive]
   30 |   cin >> str;
      |          ^~~
      |          |
      |          std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:30:10: error: cannot bind rvalue '(unsigned int)((std::string*)(& str))' to 'unsigned int&'
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  188 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:188:7: note:   conversion of argument 1 would be ill-formed:
a.cc:30:10: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'long int' [-fpermissive]
   30 |   cin >> str;
      |          ^~~
      |          |
      |          std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:30:10: error: cannot bind rvalue '(long int)((std::string*)(& str))' to 'long int&'
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  192 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:192:7: note:   conversion of argument 1 would be ill-formed:
a.cc:30:10: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'long unsigned int' [-fpermissive]
   30 |   cin >> str;
      |          ^~~
      |          |
      |          std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:30:10: error: cannot bind rvalue '(long unsigned int)((std::string*)(& str))' to 'long unsigned int&'
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  199 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:199:7: note:   conversion of argument 1 would be ill-formed:
a.cc:30:10: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'long long int' [-fpermissive]
   30 |   cin >> str;
      |          ^~~
      |          |
      |          std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:30:10: error: cannot bind rvalue '(long long int)((std::string*)(& str))' to 'long long int&'
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  203 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:203:7: note:   conversion of argument 1 would be ill-formed:
a.cc:30:10: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'long long unsigned int' [-fpermissive]
   30 |   cin >> str;
      |          ^~~
      |          |
      |          std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:30:10: error: cannot bind rvalue '(long long unsigned int)((std::string*)(& str))' to 'long long unsigned int&'
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  328 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/14/istream:328:7: note:   conversion of argument 1 would be ill-formed:
a.cc:30:10: error: cannot bind non-const lvalue reference of type 'void*&' to an rvalue of type 'void*'
   30 |   cin >> str;
      |          ^~~
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
  219 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:219:25: note:   no known conversion for argument 1 from 'std::string [100]' {aka 'std::__cxx11::basic_string<char> [100]'} to 'float&'
  219 |       operator>>(float& __f)
      |                  ~~~~~~~^~~
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'