How does a 'diff' algorithm work, e.g. in VCDIFF and DiffMerge?
An O(ND) Difference Algorithm and its Variations (1986, Eugene W. Myers) is a fantastic paper and you may want to start there. It includes pseudo-code and a nice visualization of the graph …
The best shortest path algorithm - Stack Overflow
The algorithm has the same worst case complexity as Djikstra's, but in the average case the expected runtime is linear in the size of the graph, which is much faster than the pure Dijkstra. …
algorithm - Finding all possible combinations of numbers to reach …
Jan 8, 2011 · Here is a Java version which is well suited for small N and very large target sum, when complexity O(t*N) (the dynamic solution) is greater than the exponential algorithm. My …
algorithm - Calculate distance between two latitude-longitude …
Aug 26, 2008 · Some of the answers do refer to Vincenty's formula for ellipsoids, but that algorithm was designed for use on 1960s' era desk calculators and it has stability & accuracy …
algorithm - What does O (log n) mean exactly? - Stack Overflow
Feb 22, 2010 · Algorithm 1: Algorithm 1 prints hello once and it doesn't depend on n, so it will always run in constant time, so it is O(1). print "hello"; Algorithm 2: Algorithm 2 prints hello 3 …
algorithm - What is an NP-complete in computer science? - Stack …
Oct 17, 2008 · There exists a polynomial-time algorithm (possibly using random variables) that has a non-zero probability of answering "yes" if the answer to an instance of the problem is …
algorithm - Insertion Sort vs. Selection Sort - Stack Overflow
Oct 31, 2023 · Insertion Sort: The algorithm again divide the array into two part, but here the element is picked from second part and inserted at correct position to the first part. This never …
Python implementation of a graph-similarity-grading algorithm
Levenshtein algorithm has a complexity of O(n*m) where n and m is the length of two strings. So with a string representation of the graph nodes and routes I was able to figure out the …
algorithm - How does one make a Zip bomb? - Stack Overflow
Sep 22, 2009 · The construction uses only the most common compression algorithm, DEFLATE, and is compatible with most zip parsers." "Compression bombs that use the zip format must …
Peak-finding algorithm for Python/SciPy - Stack Overflow
Apr 16, 2015 · Therefore a universal algorithm that finds peaks cannot work without bringing in additional assumptions (conditions, parameters etc.). This page provides some of the most …