Codesignal Solution: Factorial
Given integer n
, find n!.
Example
For n = 5
, the output should befactorial(n) = 120
.
Here 1 * 2 * 3 * 4 * 5 = 120
.
Input/Output
- [time limit] 4000ms (js)
-
[input] integer n
Constraints:
0 ≤ n ≤ 10
. -
[output] integer
Solution
_ = factorial = n => n ? n * _(n - 1) : 1