Advent of Code 2015

Solved	Day	Topics	Language
✓	01	Arithmetic	Ruby
✓	02	Geometry	Ruby
✓	03	Navigation	Ruby
✓	04	Hashing	Rust
✓	05	String validation	Ruby
✓	06	Arithmetic	Ruby
✓	07	Interpreting	Rust
✓	08	String escaping	Ruby
✓	09	Graph search	Rust
✓	10	Parsing	Ruby
✓	11	Password validation	Ruby
✓	12	Recursion	Ruby
✓	13	Optimization	Ruby
✓	14	Score calculation	Ruby
✓	15	Permutations	Ruby
✓	16	Searching	Ruby
✓	17	Combinations	Ruby
✓	18	Game of Life	Ruby
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