crossnumber.puzzle — crossnumber 0.1.0

alphabet clj

(alphabet n)

Returns an alphabet of n letters.

cartesian-product clj

(cartesian-product spaces)

(cartesian-product spaces coords)

Take the cartesian product of several collections.

choose-digit clj

(choose-digit r c)

Chooses a random digit, excluding zero if given the 0th row or column.

choose-digits clj

(choose-digits w h)

Returns a randomized h by w matrix with no leading zeroes in any col or row.

clue-to-hash-map clj

(clue-to-hash-map clue)

Takes a clue of the form (A)(B^3)(D^2) and turns it into a hash-map of letters to powers.

clue-to-letter-max clj

(clue-to-letter-max letter clue length)

Estimates max possible value of a letter based on a single clue.

clues-to-alphabet clj

(clues-to-alphabet clues)

Lists all letters present in clues.

clues-to-letter-max clj

(clues-to-letter-max letter clues length)

Estimates max possible value of a letter (specified by an int), given some hash-map representations of clues and the length of the rows/cols in that direction.

col-to-int clj

(col-to-int digits c)

Assembles a column into a number.

crossnumber-solutions clj

(crossnumber-solutions row-clues col-clues)

Finds all possible solutions to a given crossnumber puzzle.

factor clj

(factor n)

(factor n factors candidate)

Returns a sorted vector of factors of n.

factors-to-expression clj

(factors-to-expression factors dict)

(factors-to-expression factors dict expr)

Takes sorted factors and dictionary and turns them into nice algebraic expression.

int-to-digits clj

(int-to-digits n)

(int-to-digits n s)

Converts a number into a sequence of digits.

monomial clj

(monomial hm n)

Gives a monomial fn based on a string input and a num of letters.

primes clj

(primes n)

(primes n ps candidate)

(inefficiently) Gives all the primes less than n.

row-to-int clj

(row-to-int row)

(row-to-int row n place)

Assembles a row of single-digit ints into a number, most-significant digit first.

solves? clj

(solves? row-fns col-fns candidate)

Checks if given tuple solves given row and column functions.

transpose clj

(transpose m)

Returns the transpose of a matrix.