'Loop variant' diaporamas de présentation

CSC 211 Data Structures Lecture 19

CSC 211 Data Structures Lecture 19. Dr. Iftikhar Azim Niaz ianiaz@comsats.edu.pk. 1. Last Lecture Summary. Merge Sort Concept Algorithm Examples Implementation Trace of Merge sort Complexity of Merge Sort. 2. Objectives Overview. Quick Sort Concept Algorithm Examples

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CS 3343: Analysis of Algorithms

CS 3343: Analysis of Algorithms. Correctness Proof, Order of Growth, Asymptotic Notations. What is an algorithm?. Algorithms are the ideas behind computer programs. An algorithm is the thing that stays the same regardless of programming language and the computing hardware.

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CPS 309: Analysis of Algorithms

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Loop variant & invariant

Loop variant & invariant. Some kinds of errors are typical for loops The loop does not terminate The loop body is execute once too often or too less Special cases like zero iterations are not handled. Loop invariant. The loop invariant specifies a condition that must be satisfied at

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Design Patterns

Design Patterns. Standardized Recurring model Fits in many location Opposite of customization Fundamental types of pattern Choose and use as desired and befitting Adapt the pattern to your application. Loop pattern Initialize loop parameter values and loop variant Loop

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Introduction to Data Structures and Algorithms

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Design by Contract

Design by Contract. Specifications. Correctness formula (Hoare triple) {P} A {Q} A is some operation (for example, a routine body) P and Q are predicates P is called precondition Q is called postcondition Meaning of a correctness formula:

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