April 29th, 2014, 12:02 PM  #1 
Senior Member Joined: Mar 2012 From: Belgium Posts: 654 Thanks: 11  addition algorithm
Is there any such algorithm to add 2 binary numbers that runs faster than O(log(n)) ? If so what is this algorithm ?

April 29th, 2014, 12:44 PM  #2 
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 937 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms 
There is no algorithm for adding two Nbit numbers in time o(N) since you need to look at all the digits of the numbers to add them.


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