'Car lst' presentation slideshows

534 views • 43 slides

Algorithms & Data Structures

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Algorithms & Data Structures

Algorithms & Data Structures. Lists Append vs. append!, reverse vs. reverse!, folding, … List accessors: list-ref, list-tail, list-head, … Sort & merge Trees ADT for trees Tree-fold, subst Compression via Huffman coding. Lists: Constructors, Selectors, Operations.

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Lecture 8

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Lecture 9 Lists continued: Map, Filter, Accumulate , Lists as interfaces

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David Evans cs.virginia/evans

Lecture 13: Quicksorting. David Evans http://www.cs.virginia.edu/evans. CS200: Computer Science University of Virginia Computer Science. Menu. Improving insertsort quicksort. Last time: insertsort. (define (insertel cf el lst) (if (null? lst) (list el) (if (cf el (car lst))

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Lecture #7

Lecture #7. 90-92, 2.1.3 99-103, 2.2.1 105-107, 2.2.1 107-112, 2.2.2. How can we implement pairs ?. ( define (cons x y) (lambda (m) (cond ((= m 0) x) ((= m 1) y) (else (error "Argument not 0 or 1 -- CONS" m)))))).

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Lecture #8

Lecture #8. Patterns. Enumerating Mapping Filtering Accumulating. (integers-between 2 4) (cons 2 (integers-between 3 4))) (cons 2 (cons 3 (integers-between 4 4))) (cons 2 (cons 3 (cons 4 (integers-between 5 4)))) (cons 2 (cons 3 (cons 4 nil))) (list 2 3 4). 2. 3. 4. Enumerating.

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David Evans cs.virginia/~evans

Lecture 9: The Great Lambda Tree of Knowledge and Power. David Evans http://www.cs.virginia.edu/~evans. CS200: Computer Science University of Virginia Computer Science. Menu. insertl Programming with Lists PS3. Review. A list is either: a pair where the second part is a list

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David Evans cs.virginia/~evans

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David Evans cs.virginia/~evans

261 views • 26 slides

David Evans cs.virginia/evans

Lecture 10: Puzzling Pegboards. David Evans http://www.cs.virginia.edu/evans. CS150: Computer Science University of Virginia Computer Science. Menu. Problem Sets 2 and 3 Pegboard Puzzler. Problem Sets. Not just meant to review stuff you should already know Get you to explore new ideas

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David Evans cs.virginia/evans

Class 12: Quickest Sorting. David Evans http://www.cs.virginia.edu/evans. Dandelion of Defeat by Mary Elliott Neal. Rose Bush by Jacintha Henry & Rachel Kay. by Kristina Caudle. CS150: Computer Science University of Virginia Computer Science. Insert Sort. (define (insertel cf el lst)

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David Evans cs.virginia/evans

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David Evans cs.virginia/evans

Lecture 11: Sorting Grounds and Bubbles. David Evans http://www.cs.virginia.edu/evans. Coffee Bean Sorting in Guatemala. CS200: Computer Science University of Virginia Computer Science. Menu. Find Most Sorting. find-most-caffeinated. (define (find-most-caffienated menu) (insertl

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CS3L: Introduction to Symbolic Programming

CS3L: Introduction to Symbolic Programming. Summer 2008 Colleen Lewis colleenL@berkeley.edu. Lecture 26: Printing and Stuff. Today. cons reverse. cons. Takes two arguments Makes the first arg. the car of the new list Makes the second arg. the cdr of the new list

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