15 lines
215 B
Markdown
15 lines
215 B
Markdown
### collatz
|
|
|
|
Applies the Collatz algorithm.
|
|
|
|
If `n` is even, return `n/2`. Otherwise, return `3n+1`.
|
|
|
|
```js
|
|
const collatz = n => (n % 2 == 0) ? (n / 2) : (3 * n + 1);
|
|
```
|
|
|
|
```js
|
|
collatz(8) -> 4
|
|
collatz(5) -> 16
|
|
```
|