/in/foo.c: In function 'main':
/in/foo.c:6:16: warning: statement with no effect [-Wunused-value]
  a>=-pow(10,10)&&a<=pow(10,10) ;
  ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
/in/foo.c:7:16: warning: statement with no effect [-Wunused-value]
  b>=-pow(10,10)&&b<=pow(10,10) ;
  ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
/in/foo.c:6:3: warning: 'a' is used uninitialized in this function [-Wuninitialized]
  a>=-pow(10,10)&&a<=pow(10,10) ;
  ~^~~~~~~~~~~~~
/in/foo.c:7:3: warning: 'b' is used uninitialized in this function [-Wuninitialized]
  b>=-pow(10,10)&&b<=pow(10,10) ;
  ~^~~~~~~~~~~~~