Data update

Task/Binary-digits/DuckDB/binary-digits-1.duckdb

@@ -0,0 +1,2 @@
+SELECT n, format('{:b}', n)
+FROM (select unnest(range(0, 6) || [50, 9000]) as n);

Task/Binary-digits/DuckDB/binary-digits-2.duckdb

@@ -0,0 +1,22 @@
+# n is assumed to be a non-negative integer
+CREATE OR REPLACE FUNCTION binary_digits(n) as (
+  WITH RECURSIVE cte(num, str) as (
+    -- Base case
+    SELECT n, ''
+    UNION ALL
+    -- Recursive case: divide by 2 and build the binary string
+    SELECT num // 2, (num % 2) || str
+    FROM cte
+    WHERE num > 0
+  )
+  SELECT CASE WHEN str = '' THEN '0' ELSE str END
+  FROM cte
+  WHERE num = 0
+  LIMIT 1
+);
+
+select n, binary_digits(n)
+from (select unnest(range(0, 6) || [50, 9000]) as n);
+
+.maxwidth 200
+select n, binary_digits(n) from (select 123456789123456789123456789123456789 as n)