Glad I'm not the only one who cringed at that. Another thing to consider when using phrases like "O(logn)" is that the numbers grow exponentially with n (meani

Glad I'm not the only one who cringed at that. Another thing to consider when using phrases like "O(logn)" is that the numbers grow exponentially with n (meaning their lengths grow linearly). Many CS students are trained to think of addition, multiplication etc. as "constant time" operations but that's not true for bignums! BTW, I assume they meant difference equations.