Introduction to algorithms and the digital society

Algorithms and Computing Algorithm - ANSWER-A finite set of instructions that accomplishes a task. Selection - ANSWER-Choosing between different paths based on a condition. Switch statements - ANSWER-Selecting a specific code block based on the value of a variable. Iteration - ANSWER-Repeating ...

Algorithm Design and Anlysis Quick sort: runs fast on the arrays that are already sorted - --False Quick Sort: Best-case time complexity - --Big-Theta(n) where is the number of elements in the array Quick Sort: Average-case time complexity - --O(n*logn) Quick Sort: Worst-case time complexity - ...

AQA A-Level computer science 03 / Fundamentals of Algorithms bubble sort - ANSWER-Compares each pair of elements in the array and swaps them if necessary. O(N^2) because it passes through the array N times. Since each pass through the array is N operations, this is N times N operations = N^2 op...

Module 1: Algorithms and Flowcharting Algorithm - --a step-by-step procedure, which defines a set of instruction to be executed in a certain order to get the desired output Software Methodology - --part of the ________________________ is to design a program Problem Solving Phase - --an algorith...

U6 Algorithms Efficiency - ANSWER-A measure of how many steps are needed to complete an algorithm. Linear Search - ANSWER-A search algorithm which checks each element of a list in order until the desired value is found or all the elements in the list have been checked Binary search - ANSWER-a s...

Week 1: Introduction to algorithms and the digital society What is the premise of an algorithm? (According to BBC Ideas) - ANSWER-data goes in - a set of instructions are followed - then a product comes out What does BBC Ideas say about whether or not we should be scared of algorithms? - ANSWER...

Data Science 11 - Clustering algorithms k-Means and variants; Initialization: • Randomly chooses k points from X used as the initial means • k-Means++: Pick initial means, such that they are uniformly distributed in the space. This leads to faster convergence k-Means and variants; Represent...

DFS - Input - ANSWER-a graph, G = (V, E) DFS- Output - ANSWER-vertices labeled with pre/post order numbers DFS - Runtime - ANSWER-O(|V|+|E|) Explore - Input - ANSWER-a graph, G = (V, E) and a starting vertex v Explore - Output - ANSWER-visited[u] is set to true for all vertices reachable from v ...

alg quiz Consider the following generalization of the Activity Selection Problem: You are given a set of n activities each with a start time si, a finish time fi, and a weight wi. Design a dynamic programming algorithm to find the weight of a set of non-conflicting activities with maximum weight...

Alg Test 1 Complexities Grade school multiplication complexity Theta(n^2) Brute Force Algorithm complexity Theta(2^n) How many iterations does Euclid's algorithm require in the worst case? Theta(log2(a)) iterations Merge sort recurrence T(n) = nlog(n) Binary search recurrence T(n) = log(n...

Algorithms Final 1 Algorithms Final 1 questions and answers

Algorithms - Final Study Cards True Is the following a property that holds for all non-decreasing positive functions f and g? (True=Yes/ False=No) If f(n) = O(n2) and g(n) = Theta(n2), then f(n) = O(g(n)). log(n3), log( n! ), 10000n2, n2log(n), 2n Rank the following functions by increasing ord...