Logic Programming in Clojure

https://github.com/clojure-conspiracy/logic-programming

Powered by core.logic:

• core.logic https://github.com/clojure/core.logic/wiki

Challenge

The coundown numbers game:

• Any number of integer choices may be given and any integer target.
• It will only find exact answers, if there is no solution it will return nil rather than the closest calculation.

Example:

(play 674 [5 74 2 3 9]) ;;=> (+ 5 (+ 3 (* 74 9)))