Ended up with the following.... wondering if loop/recur is possible in this
case?
(defn groupSum [a x] (cond
(= (count a) 0) false
(= (first a) x) true
(> (first a) x) (if (> (count a) 1) (groupSum (rest
a) x) false)
:else (or
(groupSum (rest a) (- x (first a)))
(groupSum (rest a) x))))
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