Obviously, B-trees have many other uses. But, i) Fenwick algorithm is more effic...

utopkara on Sept 16, 2012 | parent | context | favorite | on: Little-Known Awesome Algorithms: Fenwick Range Tre...

Obviously, B-trees have many other uses. But, i) Fenwick algorithm is more efficient when it comes to the hard numbers (the k is small), ii) it is very easy to implement.