4. Programming Abstractions Lecture 4
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Description
Julie continues to cover the console input/output in C++ and discusses the file I/O and changing between an old style string to a C++ string format. She also begins to go over stream operations and their basic use as well as object oriented programming.
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Julie goes over recursion and the proper ways to solve problems recursively. She continues with the example of a program that draws a fractal image and explains a Mandarin code to illustrate the different possibilities of drawing different pictures.
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Julie explains procedural recursion and introduces permute code. She goes through another example of recursive code line by line, explaining each component. Recursive backtracking and it's usefulness are discussed.
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Julie continues with recursive backtracking and introduces pointers and recursive data. Following, she focuses on solving the problems rather than the exact code and later uses the example of a program that will solve a Sudoku puzzle.
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