January 2024
Intermediate to advanced
480 pages
12h 36m
English
Content preview from Algorithmic Thinking, 2nd Edition
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5GRAPHS AND BREADTH-FIRST SEARCH
In this chapter, we’ll study three problems in which we’re asked to solve puzzles in the minimum number of moves. How quickly can a knight catch a pawn? How quickly can a student climb a rope in gym class? How cheaply can we translate a book written in one language to other target languages? Breadth-first search (BFS) is the unifying algorithm here. BFS dispatches these problems, and it applies more generally whenever we want to solve a puzzle with the minimum number of moves. Along the way, we’ll learn about graphs, a powerful way to model and solve problems that involve objects and connections between those objects. ...
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