Converts a decimal string to an integer value e.g.

a semi-functional collapsing function which finds overlaps and merges indexes.

# Recursive function to return gcd of a and b.

# Function to return LCM of two numbers.

reads some test data to a slice of ints.

Each solution as I complete it should return the problems so I can do something (Websitey) with them for future reference.

Each solution as I complete it should return the problems so I can do something (Websitey) with them for future reference.