foo.cc: In function 'int main()':
foo.cc:5:8: error: unable to find string literal operator 'operator""endl' with 'const char [8]', 'long unsigned int' arguments
  cout<<"A      "endl; 
        ^~~~~~~~~~~~~
foo.cc:6:8: error: unable to find string literal operator 'operator""endl' with 'const char [8]', 'long unsigned int' arguments
  cout<<"AAA    "endl; 
        ^~~~~~~~~~~~~
foo.cc:7:8: error: unable to find string literal operator 'operator""endl' with 'const char [8]', 'long unsigned int' arguments
  cout<<"AAAAA  "endl;
        ^~~~~~~~~~~~~
foo.cc:8:8: error: unable to find string literal operator 'operator""endl' with 'const char [8]', 'long unsigned int' arguments
  cout<<"AAAAAAA"endl;    
        ^~~~~~~~~~~~~

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