How to run
cat day1/input-ark.txt | go run day1/main.go
cat day2/input-ark.txt | go run day2/main.go
cat day3/input-ark.txt | go run day3/main.go
How to run
cat day1/input-ark.txt | go run day1/main.go
cat day2/input-ark.txt | go run day2/main.go
cat day3/input-ark.txt | go run day3/main.go