/in/foo.cc: In function 'long long int hw(long long int)':
/in/foo.cc:22:21: error: expected ';' before '}' token
   22 |             a=a/10;a
      |                     ^
      |                     ;
   23 |         }
      |         ~            
/in/foo.cc:22:20: warning: statement has no effect [-Wunused-value]
   22 |             a=a/10;a
      |                    ^