For 32-bit integers: result = ((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1);
Dave On Nov 12, 2:12 am, sudhir mishra <sudhir08.mis...@gmail.com> wrote: > Write a program to swap odd and even bits in an unsigned integer with as few > instructions as possible (e.g., bit 0 and bit 1 are swapped, bit 2 and bit 3 > are swapped, etc). > > eg....[?] > input--- > 1234567 > 7654321 > 888 > > output-- > 2222411 > 12109682 > 948 > > -- > regards > *Sudhir Mishra* > MNNIT ALLAHABAD > > B60.gif > < 1KViewDownload -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algoge...@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.