/in/foo.cc: In function 'int main()':
/in/foo.cc:44:7: warning: suggest parentheses around comparison in operand of '==' [-Wparentheses]
  if(c1<c2==true)
     ~~^~~
/in/foo.cc:45:10: warning: suggest parentheses around comparison in operand of '==' [-Wparentheses]
   if (c1 < c3 == true)
       ~~~^~~~
/in/foo.cc:48:11: warning: suggest parentheses around comparison in operand of '==' [-Wparentheses]
    if (c2 < c3==true)
        ~~~^~~~
/in/foo.cc:66:10: warning: suggest parentheses around comparison in operand of '==' [-Wparentheses]
   if (c2 < c3 == true)
       ~~~^~~~
/in/foo.cc:69:11: warning: suggest parentheses around comparison in operand of '==' [-Wparentheses]
    if (c1 < c3 == true)
        ~~~^~~~
/in/foo.cc: In member function 'bool Complex::operator<(Complex)':
/in/foo.cc:24:2: warning: control reaches end of non-void function [-Wreturn-type]
  }
  ^