Permutations/Derangements: Difference between revisions

→‎{{header|Kotlin}}: Updated example see https://github.com/dkandalov/rosettacode-kotlin for details
(added FreeBASIC)
(→‎{{header|Kotlin}}: Updated example see https://github.com/dkandalov/rosettacode-kotlin for details)
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Computed approximation to !20 (15 significant digits): 895014631192902000</lang>
=={{header|Kotlin}}==
<lang scala>// version 1.1.12
 
fun <T> permute(input: List<T>): List<List<T>> {