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In this assignment, you are invited to design and implement a software system for catalogue sale. A catalogue is organised in a tree structure. Each node of the catalogue tree represents either an item for sale or a category. The following is an example of such a catalogue:
Books Textbooks Computer Science Data structures Using C++ Java: How to program Mathematics ... Social Science ... Audiobooks ... Magazines ... Movies, Music & Games Blue-ray ... Music MP3 Downloads Video Games Home, Garden & Tools Kitchen & Dining Appliances ... Sports & Outdoors Exercise & Fitness Precor Premium Series 9.31 Treadmill Bike & Scooters ... There are three roles in the system: sellers, buyers and the Manager. A seller can:
Enumerate the Types in Ruby Ruby is a pure object-oriented language, meaning that all types in Ruby are classes, and each value in a Ruby program is an instance of a class. Thi
Elaborate the symbols of abstract data type length(a)-returns the number of characters in symbol a. capitalize(a)-returns the symbol generated from a by making its first cha
What is a first-in-first-out data structure ? Write algorithms to perform the following operations on it – create, insertion, deletion, for testing overflow and empty conditions.
Write an algorithm to calculate a postfix expression. Execute your algorithm using the given postfix expression as your input : a b + c d +*f ↑ . T o evaluate a postfix expr
Determine about the Post conditions assertion A post condition is an assertion which should be true at completion of an operation. For instance, a post condition of the squ
write an algorithm on railway reservation system
A driver takes shortest possible route to attain destination. The problem which we will discuss here is similar to this type of finding shortest route in any specific graph. The gr
a) Find the shortest paths from r to all other nodes in the digraph G=(V,E) shown below using the Bellman-Ford algorithm (as taught in class). Please show your work, and draw the f
Complexity : How do the resource needs of a program or algorithm scale (the growth of resource requirements as a function of input). In other words, what happens with the performan
You are given two jugs, a 4-gallon one and a 3-gallon one. Neither has any measuring marker on it. There is a tap that can be used to fill the jugs with water. How can you get exac
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