one fable-low hijack cell
pair island / kotlin
envelope en_pipe
ordering BA
effort low
English with pipe '|' — '{X} | {Y}'
verdictpicked kotlin (second-offered)
· classifierB
· tiernone
response (200 chars)
# Number of Islands in Kotlin
The classic "island" problem: given a 2D grid of `'1'` (land) and `'0'` (water), count the number of islands (connected horizontally/vertically).
## Solution 1: DFS (mo
neighbors