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notes15 - Lecture 1 To know and understand how something...

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August 25, 2009 – Lecture 1 “To know and understand how something works is necessary to create something new.” Course Overview Goals Learn o Represent real-life information in the computer o Algorithms to process data structures Improve programming skills Content Analysis tools (Asymptotic Analysis) Stacks, Queues Vectors, Lists, Sequences Trees (Binary, AVL, red/black, 2-3 trees) Priority Queues, Heap Dictionaries (Tries) Sorting o Quick sort, heap sort, merge sort, bucket sort, radix sort, bubble sort Text Processing Graphs Lecture Data Structure – Representation of a portion of the world inside the computer (how data is stored) Algorithm – Transformation of input data to obtain some output (how data is processed) Algorithm Characteristics Running Time – How long does the algorithm take? o Measured in: seconds, steps, machine cycles o Depends on: Size of input (n) Characteristics of input Algorithm itself Machine
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