aoc

A small library with supporting classes for solving Advent of Code puzzles

Version 1.7.0 JavaDoc was added and small code enhancements were made. Upgrade of Mockito and JUnit to the latest released versions.

Package com.putoet.resources

Contains

ResourceLines: to read a resource file into a List<String> or List<T>
CSV: to read a comma separated resource file into a List<List<String>> or a flat List<String>, optionally applying a transformation mapper to convert the strings into ... integers perhaps?

Package com.putoet.security

Contains

MD5: a simple class with a method to generate a standard MD5 hash

Package com.putoet.math

Contains

Factors: split a number into its factors, gcd (Greatest Common Denominator), lcm (Lowest Common Multiple)
Josephus: Answer to the Josephus problem
Cramer: a class to solve a system of linear equations using Cramer's rule

Package com.putoet.grid

Contains

GridType: the basic Grid interface
Grid: a basic grid class based on a two-dimensional character array
GridSection: a class that maps to a section of a bigger underlying grid
GridUtils: utility classes for manipulating a two-dimensional character array
Point: a class representing a point in a grid
Point3D: a class representing a point in a three-dimensional grid
Size: a class representing the size of a rectangle
GridIterator: an interface to walk a grid
SquareIterator: an implementation of GridIterator to walk a grid in a square pattern
SpiralIterator: an implementation of GridIterator to walk a grid in a spiral pattern