All Your Base

Challenge Overview

Convert a number, represented as a sequence of digits in one base, to any other base.

Visit the all-your-base exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

View Community Solutions

The following are the top 3 community solutions by stars:

Solution 1 by @leetwinski (⭐ 15) — View on Exercism
Solution 2 by @amirci (⭐ 2) — View on Exercism
Solution 3 by @shockbob (⭐ 0) — View on Exercism

Source: Exercism clojure/all-your-base

💡 View Solution

(ns all-your-base)

(defn- to-base-10 [n-list from-base]
  (reduce #(+ (* from-base %1) %2) 0 n-list))

(defn- from-base-10 [n to-base]
  (loop [n n res ()]
    (let [q (quot n to-base)
          res (cons (rem n to-base) res)]
      (if (zero? q) res (recur q res)))))