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Association List: Computer Programming, Linked List, Dancing Links -

englanti
2026-03-26
168,40 € 224,53 €

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In computer programming and particularly in Lisp, an association list, often referred to as an alist, is a linked list in which each list element (or node) comprises a key and a value. The association list is said to associate the value with the key. In order to find the value asso ... Täydellinen kuvaus

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In computer programming and particularly in Lisp, an association list, often referred to as an alist, is a linked list in which each list element (or node) comprises a key and a value. The association list is said to associate the value with the key. In order to find the value associated with a given key, each element of the list is searched in turn, starting at the head, until the key is found. Duplicate keys that appear later in the list are ignored. It is a simple way of implementing an associative array. The disadvantage of association lists is that the time to search is O(n), where n is the length of the list. And unless the list is regularly pruned to remove elements with duplicate keys multiple values associated with the same key will increase the size of the list, and thus the time to search, without providing any compensatory advantage. One advantage is that a new element can be added to the list at its head, which can be done in constant time.

Lisätietoja

Julkaisija OmniScriptum
Julkaisuvuosi 2026
Kannen tyyppi Pehmeäkantinen
EAN 9786133218093
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Arvostelet: Association List: Computer Programming, Linked List, Dancing Links
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168,40 € 224,53 €