Edit the [RMarkdown source file](08morebacktracking.Rmd) for this assignment in RStudio. When you finish, Knit the file to HTML and upload the `.html` output to Canvas.

> 1. Do Exercise 1a on page 93 of [E]. In addition to describing the algorithm, give an informal, convincing, inductive argument explaining why your algorithm works.



> 2. Do Exercise 2a on pp. 93-94 of [E]. In addition to describing the algorithm, give an informal, convincing, inductive argument explaining why your algorithm works.




