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Diffstat (limited to 'challenge-308/richard-park/apl/CountCommon.aplf')
| -rw-r--r-- | challenge-308/richard-park/apl/CountCommon.aplf | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/challenge-308/richard-park/apl/CountCommon.aplf b/challenge-308/richard-park/apl/CountCommon.aplf new file mode 100644 index 0000000000..ac2d5a17e2 --- /dev/null +++ b/challenge-308/richard-park/apl/CountCommon.aplf @@ -0,0 +1,10 @@ + CountCommon←{ +⍝ Can be defined as the 2-train atop + CountCommon←≢∩ +⍝ Literally "count the intersection" +⍝ ≢ ∩ +⍝ Example +⍝ 'perl' 'weekly' 'challenge' (≢∩) 'raku' 'weekly' 'challenge' +⍝ 2 + ≢⍺∩⍵ + } |