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| author | HJ <thechairman@thechairman.info> | 2023-01-17 12:46:04 -0500 |
|---|---|---|
| committer | HJ <thechairman@thechairman.info> | 2023-01-17 12:46:04 -0500 |
| commit | fafbeaf9e3c09ba7a5bea7e47d5736001f8a5aa1 (patch) | |
| tree | d586a28650cbbfb20ece931a85bcce4c29e5e40b /leetcode/lc-905-sort-by-parity.rkt | |
| parent | bc5387512ba529072338648d6337ddab731b8b8c (diff) | |
| download | gleam_aoc-fafbeaf9e3c09ba7a5bea7e47d5736001f8a5aa1.tar.gz gleam_aoc-fafbeaf9e3c09ba7a5bea7e47d5736001f8a5aa1.zip | |
adding old leetcode solutions
Diffstat (limited to 'leetcode/lc-905-sort-by-parity.rkt')
| -rw-r--r-- | leetcode/lc-905-sort-by-parity.rkt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/leetcode/lc-905-sort-by-parity.rkt b/leetcode/lc-905-sort-by-parity.rkt new file mode 100644 index 0000000..7c736f3 --- /dev/null +++ b/leetcode/lc-905-sort-by-parity.rkt @@ -0,0 +1,7 @@ +#lang racket +(define/contract (sort-array-by-parity A) + (-> (listof exact-integer?) (listof exact-integer?)) + ((compose flatten (if (odd? (car A)) reverse identity)) + (group-by (λ (n) (modulo n 2)) A))) + +(sort-array-by-parity '(1 1 3 4))
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