✨ lc 436-1

Author: codereport

0436_Problem_1.bqn

@@ -0,0 +1,13 @@
+# For up to date code:
+# https://github.com/codereport/bqn-code/blob/main/leetcode/436-1.bqn
+
+# Link: https://leetcode.com/problems/sort-matrix-by-diagonals
+
+u ⇐ •Import "/home/cph/bqn-test/test.bqn"
+
+SortMatrix  ← ∧¨⌾(⌽¨⌾((⌊2÷˜≠)⊸↓)+⌜○↕´∘≢⊔⌽˘)
+
+# Tests
+u.UnitTest (SortMatrix >⟨⟨1,7,3⟩,⟨9,8,2⟩,⟨4,5,6⟩⟩) ≡ >⟨⟨8,2,3⟩,⟨9,6,7⟩,⟨4,5,1⟩⟩
+u.UnitTest (SortMatrix >⟨⟨0,1⟩,⟨1,2⟩⟩)             ≡ >⟨⟨2,1⟩,⟨1,0⟩⟩
+u.UnitTest (SortMatrix >⟨⟨1⟩⟩)                     ≡ >⟨⟨1⟩⟩