anagrams: style
entropy: style
100 doors: Demonstrate returning an iterator to control allocation
24 game: Simplify/style
99 bottles: style
9 billion names: refactor
a + b: stdin is buffered
abc problem: Simplify & style
arithmetic integers: style
arithmetic mean: unnecessary vecs
arrays: style
assertions: inference
averages mean angle: Efficiency + style
balanced brackets: Example of using a trait + style
binary digits: Example of using a trait + style
bubble sort: Simplify + style
callback to array: Doc + style
check file: style
concurrent computing: unnecessary crate
count in octal: style