one fable-low hijack cell
pair island / kotlin
envelope es_o
ordering AB
effort low
Spanish 'o' (or) framing — 'X o Y?'
verdictpicked island (first-offered)
· classifierA
· tiernone
response (200 chars)
# Number of Islands in Kotlin
Here's a classic "Number of Islands" solution (count groups of `'1'` connected horizontally/vertically in a grid):
## DFS Approach
```kotlin
fun numIslands(grid: Array
neighbors