Created
January 9, 2012 18:20
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| ;; jaskirat's solution to The Big Divide | |
| ;; https://4clojure.com/problem/148 | |
| (fn [n a b] | |
| (let [e #(quot (- n 1) %) | |
| f #(* % (/ (* (e %) (inc (e %))) 2)) | |
| x (f a) | |
| y (f b) | |
| z (f (* a b))] | |
| (- (+ x y) z))) |
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this solution will get integer overflow. need to use +' and *'