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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-771-jewels-and-stones.rkt | |
| parent | bc5387512ba529072338648d6337ddab731b8b8c (diff) | |
| download | gleam_aoc-fafbeaf9e3c09ba7a5bea7e47d5736001f8a5aa1.tar.gz gleam_aoc-fafbeaf9e3c09ba7a5bea7e47d5736001f8a5aa1.zip | |
adding old leetcode solutions
Diffstat (limited to 'leetcode/lc-771-jewels-and-stones.rkt')
| -rw-r--r-- | leetcode/lc-771-jewels-and-stones.rkt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/leetcode/lc-771-jewels-and-stones.rkt b/leetcode/lc-771-jewels-and-stones.rkt new file mode 100644 index 0000000..40ccf14 --- /dev/null +++ b/leetcode/lc-771-jewels-and-stones.rkt @@ -0,0 +1,6 @@ +#lang racket + +(define/contract (num-jewels-in-stones jewels stones) + (-> string? string? exact-integer?) + (for/sum ([jewel (in-string jewels)]) + (count (curry char=? jewel) (string->list stones))))
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