for each element i in A[n] do map (A[n],i) for each element j in B[n] do index = B[n] X[index] = map.get(index);
This will traverse both the array once, so O(n+n) = O(n) time. On Dec 31, 1:44 pm, juver++ <avpostni...@gmail.com> wrote: > of course, we should keep pair - element and its initial position -- 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.