'Sorted list' diaporamas de présentation

Part 1 The Prolog Language Chapter 9 Operations on Data Structure

Part 1 The Prolog Language Chapter 9 Operations on Data Structure. 9.1 Sorting lists. A list can be sorted if there is an ordering relation between the items in the list. Assume that there is an ordering relation gt( X, Y) meaning the X is greater than Y.

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Mergesort and Quicksort

Mergesort and Quicksort. Chapter 8 Kruse and Ryba. Sorting algorithms. Insertion, selection and bubble sort have quadratic worst-case performance The faster comparison based algorithm ? O(nlogn) Mergesort and Quicksort. Merge Sort.

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Leveraging Big Data: Lecture 2

http://www.cohenwang.com/edith/bigdataclass2013. Leveraging Big Data: Lecture 2. Edith Cohen Amos Fiat Haim Kaplan Tova Milo. Instructors:. Counting Distinct Elements. 4,. 32,. 6 ,. 12,. 12,. 1 4 ,. 32 ,. 7 ,. 12,. 32,. 7,.

795 views • 59 slides

Algorithm Design and Analysis

L ECTURES 10-11 Divide and Conquer Recurrences Nearest pair. Algorithm Design and Analysis. CSE 565. Adam Smith. Divide and Conquer. Break up problem into several parts. Solve each part recursively. Combine solutions to sub-problems into overall solution. Most common usage.

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Jotto!

Jotto!. Sophs. JRs. SRs. Elderly. Pomona. slate 1 . slate 3 . slate 2 . slate 1 . slate 3. flair 0 . flair 0 . flair 1 . flair 2 . flair 2 . stems 1 . stems 3 . stems 1 . stems 2 . stems 2 . loser 1 . loser 2 . loser 3 . loser 2. loser 3 . stone 1 . stone 3 . stone 1 .

761 views • 54 slides

Detecting Outliers

Detecting Outliers. Detecting univariate outliers Detecting multivariate outliers. Outliers. Outliers are cases that have data values that are very different from the data values for the majority of cases in the data set.

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Nirmalya Roy School of Electrical Engineering and Computer Science Washington State University

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Announcements: Project 5

Announcements: Project 5. Everything we have been learning thus far will enable us to solve interesting problems Project 5 will focus on applying the skills we have learned on a problem from biology, specifically computational biology Email your group / group requests by Friday

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Learning to Program with Python

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Advanced Induction

Advanced Induction. Drawing hands by Escher. Discrete Structures (CS 173) Madhusudan Parthasarathy, University of Illinois. Logistics. Midterm is done grading but entering into Moodle/tallying/analysis will take longer.

358 views • 28 slides

Algorithms

Algorithms. Problems, Algorithms, Programs. Problem - a well defined task. Sort a list of numbers. Find a particular item in a list. Find a winning chess move. Algorithms. A series of precise steps, known to stop eventually, that solve a problem. NOT necessarily tied to computers.

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An Approximation Algorithm for Binary Searching in Trees

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Data Structures/ Algorithms and Generic Programming

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Unsorted Lists

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Greed is Good But gluttony is a deadly sin

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COMPUTING

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Sorted Lists

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SkipList

SkipList. Searching a key in a Sorted linked list. head. Searching an element x cell *p =head ; while (p->next->key < x ) p=p->next ; return p ;

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Comparison summary

Array based (dynamic) Keeps place for up to 4N elements Each element takes 1 memory places Fast accession time Slow removals and insertion (due to need of copying data and resizing array). Reference based (LL) Keeps place for exactly N elements Each element takes 2 memory places

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Quick Sort: Array-Based Lists

Quick Sort: Array-Based Lists. The quick sort algorithm uses the divide-and-conquer technique to sort a list The list is partitioned into two sublists, and the two sublists are then sorted and combined into one list in such a way that the combined list is sorted. Quick Sort: Array-Based Lists.

316 views • 10 slides