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30-seconds-of-code/snippets/collatz-algorithm.md
2017-12-14 19:38:11 +02:00

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Collatz algorithm

If n is even, return n/2. Otherwise return 3n+1.

const collatz = n => (n % 2 == 0) ? (n / 2) : (3 * n + 1);
// collatz(8) --> 4
// collatz(5) --> 16