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Use the various tuning command presets provided by Photoshop to easily treat color photos as classic black-and-white effects. Software Preparation: Photoshop CS6CC Learning goals: Combining tool presets to create personalized Black-and-white images. Operation time-consuming: 10 minutes Discard the disturbing color information in the photograph, can make the picture appear more clean, concise

A red-black tree is a binary lookup tree, but adds a storage bit to the node's color at each node, either red or black. The red-black tree ensures that no path will be twice times longer than the other paths, and thus is nearly balanced, by limiting the shading of any one path from root to leaf. This chapter mainly introduces the nature, rotation, insertion and d

This address:http://blog.csdn.net/cyp331203/article/details/42677833Bitter _ CoffeeWelcome reprint, but reproduced please indicate the source, otherwise will be held responsible, thank you!.The red-black tree is based on a two-fork search tree, which can be found in the "Introduction to Algorithm" binary search tree insertion and deletion and the "Introduction to the algorithm" binary tree in the pre-and post-sequential non-recursive traversal impleme

About red and black treesRed-black tree is a self-balancing binary search tree, also has the characteristics of a two-fork tree, keeping the right side is always greater than the left node key features. The AVL tree mentioned earlier is also a variant of the binary search tree, which does not reach the height of the AVL tree, in other words, its height is not as high as the AVL tree, but his application is

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What is a red and black tree??? The red and black tree is first a search binary tree, each node in the tree color is not black or red. It has the following characteristics:1, the root node is black2. Each knot is either black or red.3. Cannot have two consecutive red nodes .4, starting from any node, to the path of the

1. The nature of the red-black tree.1) The root node is black.2) All nodes are either red or black.3) The child of the red node must be black.4) all with the leaf node end, and the leaf node is Sentinel, are black, there is no actual key value.5) All

Introduced Today we introduce another kind of balanced binary tree: The red and black trees, which were invented by Rudolf Bayer in 1972, were called balanced binary B-trees (symmetric binary b-trees) and 1978 by Leonidas J. Guibas and Robert Sedgewick changed into a more modern name: The red-black tree. The red and black trees are similar to the AVL trees ment

Recently, because of the support for CCache to join the red-black tree, find the code that has been implemented as a reference, this only to find that the original implementation is problematic, but also blame my test case writing is not good, just the insertion of the test, I have read this code and caused confusion of friends to apologize. This time, all the code was rewritten, referenced the implementation algorithm of the red and

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Introduction to Algorithms 13th Chapter Red black TreeRed-Black Trees (red-black tree) are one of many balanced search trees that ensure that the time complexity of basic dynamic set operations is O (LGN) in the worst case scenario.13.1 Nature of red and black treesRed and black