reverse of a no. means.. reverse of 39 is 93.. but i dont get it how can we reverse a no. by bitwise operator...
On Thu, Aug 11, 2011 at 11:11 PM, manvir siyo <[email protected]> wrote: > please tell me abt the pattern of de shaw company.. > please > > > On Thu, Aug 11, 2011 at 11:06 PM, paul suganthan <[email protected] > > wrote: > >> You are trying to reverse the bits. not the number. >> This will not work for bits also! >> >> If given input is 1101 0011 >> you will get >> 0010 1100 >> >> On Thu, Aug 11, 2011 at 11:01 PM, Naren s <[email protected]> wrote: >> >>> not 100% sure if this is what you are asking for but here it goes. >>> >>> you have a number 11110000 (binary) and you want 00001111 (binary)? >>> >>> you want to use the xor operator ^ >>> >>> value = 0xf0; //11110000 binary >>> printf("before %d\n"); >>> value ^= 0xff; //11111111 binary >>> printf("after%d\n"); >>> >>> >>> output: >>> before 240 >>> after 15 >>> >>> 240 in binary is 11110000 >>> 15 in binary is 00001111 >>> >>> <http://wiki.answers.com/Q/How_do_you_reverse_a_number_using_bitwise_operator#ixzz1Uk5fUjai> >>> >>> >>> On Thu, Aug 11, 2011 at 10:43 PM, Rajeshwar Patra < >>> [email protected]> wrote: >>> >>>> how can we reverse a number using bitwise operators? >>>> >>>> -- >>>> *Rajeshwar Patra,* >>>> *MCA final year,* >>>> *Nit Durgapur* >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Algorithm Geeks" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]. >>>> For more options, visit this group at >>>> http://groups.google.com/group/algogeeks?hl=en. >>>> >>> >>> >>> >>> -- >>> *Narayanan S,* >>> B.E., C.S.E., (final year), >>> College Of Engineering Guindy, >>> Anna University, >>> Chennai-25. >>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Algorithm Geeks" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/algogeeks?hl=en. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
