algorithm - What does O (log n) mean exactly? - Stack Overflow
2010年2月22日 · A common algorithm with O (log n) time complexity is Binary Search whose recursive relation is T (n/2) + O (1) i.e. at every subsequent level of the tree you divide problem into half and do …
how do *you* calculate/approximate Big O? - Stack Overflow
Most people with a degree in CS know what Big O stands for. It helps us to measure how well an algorithm scales. How do you calculate or approximate the complexity of your algorithms?
algorithm - Difference between Big-O and Little-O Notation - Stack …
2009年9月1日 · Algorithm A can't tell the difference between two similar inputs instances where only x 's value changes. If x is the minimum in one of these instances and not in the other, then A will fail to …
What is the best algorithm for overriding GetHashCode?
The hashing algorithm needs to be deterministic i.e. given the same input it must always produce the same output. Reduce Collisions The algorithm that calculates a hash code needs to keep hash …
Peak-finding algorithm for Python/SciPy - Stack Overflow
2015年4月16日 · The peak-finding algorithm would find the location of these peaks (not just their values), and ideally would find the true inter-sample peak, not just the index with maximum value, …
Color gradient algorithm - Stack Overflow
2014年3月24日 · Given two rgb colors and a rectangle, I'm able to create a basic linear gradient. This blog post gives very good explanation on how to create it. But I want to add one more variable to this …
Algorithm to compare two images in C# - Stack Overflow
2016年2月2日 · You could check Algorithm to compare two images in order to see the available methods for image comparison. Unless you want to recreate the full algorithms on your own, you …
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
2009年4月14日 · What is the most efficient algorithm to achieve the following: 0010 0000 => 0000 0100 The conversion is from MSB->LSB to LSB->MSB. All bits must be reversed; that is, this is not …
c# - Algorithm to detect overlapping periods - Stack Overflow
2012年11月22日 · Algorithm to detect overlapping periods [duplicate] Asked 13 years, 4 months ago Modified 5 years, 7 months ago Viewed 243k times
What is stability in sorting algorithms and why is it important?
2009年10月5日 · A sorting algorithm is said to be stable if two objects with equal keys appear in the same order in sorted output as they appear in the input unsorted array. Some sorting algorithms are …