Exercise 1 | Index << >> |
Write a 1-line model of x⍳y as extended in Dyalog v14.0.I ← {+⌿∧⍀(⊂⍤r⊢⍺)∘.≢⊂⍤r⊢⍵ ⊣ r←¯1+⍴⍴⍺} ⎕←a←6 5⍴'CarloJohn John DianeRogerLisa ' Carlo John John Diane Roger Lisa a I 'Lisa ' 5 a I 2 5⍴'Lisa John ' 5 1 I⍨ a 0 1 1 3 4 5 |