Starting Out with Python (4th Edition)
4th Edition
ISBN: 9780134444321
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 1.4, Problem 25CP
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Consider the problem of finding a path in the grid shown below from the position S to theposition G. The agent can move on the grid horizontally and vertically, one square at atime (each step has a cost of one). No step may be made into a forbidden crossed area. Inthe case of ties, break it using up, left, right, and down.(a) Draw the search tree in a greedy search. Manhattan distance should be used as theheuristic function. That is, h(n) for any node n is the Manhattan distance from nto G. The Manhattan distance between two points is the distance in the x-directionplus the distance in the y-direction. It corresponds to the distance traveled along citystreets arranged in a grid. For example, the Manhattan distance between G and S is4. What is the path that is found by the greedy search?(b) Draw the search tree in an A∗search. Manhattan distance should be used as the
Chapter 1 Solutions
Starting Out with Python (4th Edition)
Ch. 1.2 - What is a program?Ch. 1.2 - What is hardware?Ch. 1.2 - List the five major components of a computer...Ch. 1.2 - What part of the computer actually runs programs?Ch. 1.2 - What part of the computer serves as a work area to...Ch. 1.2 - Prob. 6CPCh. 1.2 - Prob. 7CPCh. 1.2 - What part of the computer formats and presents...Ch. 1.2 - Prob. 9CPCh. 1.2 - Prob. 10CP
Ch. 1.2 - Word processing programs, spreadsheet programs,...Ch. 1.3 - What amount of memory is enough to store a letter...Ch. 1.3 - Prob. 13CPCh. 1.3 - In what numbering system are all numeric values...Ch. 1.3 - Prob. 15CPCh. 1.3 - What encoding scheme is extensive enough to...Ch. 1.3 - Prob. 17CPCh. 1.4 - A CPU understands instructions that are written...Ch. 1.4 - Prob. 19CPCh. 1.4 - When a CPU executes the instructions in a program,...Ch. 1.4 - What is assembly language?Ch. 1.4 - What type of programming language allows you to...Ch. 1.4 - Prob. 23CPCh. 1.4 - What do you call a program that translates a...Ch. 1.4 - What do you call a program that both translates...Ch. 1.4 - Prob. 26CPCh. 1 - A(n) _________ is a set of instructions that a...Ch. 1 - The physical devices that a computer is made of...Ch. 1 - The part of a computer that runs programs is...Ch. 1 - Today, CPUs are small chips known as __________....Ch. 1 - The computer stores a program while the program is...Ch. 1 - Prob. 6MCCh. 1 - Prob. 7MCCh. 1 - Prob. 8MCCh. 1 - Prob. 9MCCh. 1 - Prob. 10MCCh. 1 - Prob. 11MCCh. 1 - Prob. 12MCCh. 1 - Prob. 13MCCh. 1 - Prob. 14MCCh. 1 - Prob. 15MCCh. 1 - Prob. 16MCCh. 1 - Prob. 17MCCh. 1 - Prob. 18MCCh. 1 - Prob. 19MCCh. 1 - In the _______ part of the fetch-decode-execute...Ch. 1 - Prob. 21MCCh. 1 - The __________ translates an assembly language...Ch. 1 - The words that make up a high-level programming...Ch. 1 - Prob. 24MCCh. 1 - A(n)_________ program translates a high-level...Ch. 1 - Today, CPUs are huge devices made of electrical...Ch. 1 - Prob. 2TFCh. 1 - Any piece of data that is stored in a computer's...Ch. 1 - Prob. 4TFCh. 1 - Machine language is the only language that a CPU...Ch. 1 - Assembly language is considered a high-level...Ch. 1 - An interpreter is a program that both translates...Ch. 1 - A syntax error does not prevent a program from...Ch. 1 - Prob. 9TFCh. 1 - Word processing programs, spreadsheet programs,...Ch. 1 - Why is the CPU the most important component in a...Ch. 1 - Prob. 2SACh. 1 - Prob. 3SACh. 1 - What are the words that make up a high-level...Ch. 1 - What are the short words that are used in assembly...Ch. 1 - What is the difference between a compiler and an...Ch. 1 - Prob. 7SACh. 1 - To make sure that you can interact with the Python...Ch. 1 - Prob. 2ECh. 1 - Use what you've learned about the binary numbering...Ch. 1 - Use what youve learned about the binary numbering...Ch. 1 - Look at the ASCII chart in Appendix C and...Ch. 1 - Use the Internet to research the history of the...
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