Advent of Go Code

This project is a golang response to the 25 days of challenges at http://adventofcode.com.

Notes

The answers are not posted
Execute most solutions via cat input.txt | go run main.go or go run main.go < input.txt
Execute some solutions via go run main.go [argument]
sometimes main.go is used both for part 1 and part 2
sometimes part 1 was commented out to solve part 2
sometimes part1 and part2 are managed by cli argument