Problem: leap year
Code: leap+year/darrenks_1641952919
Nibbles version: 0.2 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | 1.00
Format: Compact | Simple | +Type | Table | JSON | .nbl (DeBruijn) | .nbl (names)
$ " is " ? % ? `% $ ^ ~ ~ _ $ 4 "not " ~ `D -28 1dec17c58feae3