Computational complexity theory is a branch of the theory of computation in theoretical computer science and mathematics that focuses on classifying computational problems according to their inherent difficulty.
What does it mean to prove an upper bound or lower bound to an algorithm?
algorithm complexity-theory time-complexityIs anybody able to give a 'plain english' intuitive, yet formal, explanation of what makes QuickSort n log n? From …
algorithm complexity-theory quicksortI was writing a python function that looked something like this def foo(some_list): for i in range(0, len(…
python complexity-theoryI'm not new to using regular expressions, and I understand the basic theory they're based on--finite state machines. I'm not …
regex algorithm complexity-theoryWhat is O(log* N) and how is it different from O(log N)?
algorithm math complexity-theory logarithm iterated-logarithmWhat is the complexity with respect to the string length that takes to perform a regular expression comparison on a …
regex complexity-theory big-oI've been wondering about the implementation of charAt function for String/StringBuilder/StringBuffer in java what is the complexity of …
java performance string complexity-theory stringbuilderI am doing research on data mining and more precisely, decision trees. I would like to know if there are …
performance machine-learning complexity-theory classification decision-treeI know that Knapsack is NP-complete while it can be solved by DP. They say that the DP solution is …
language-agnostic complexity-theory dynamic-programming knapsack-problemI am having a hard time understanding what is O(1) space complexity. I understand that it means that the space …
complexity-theory space-complexity