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  1. Migratory Birds
  2. Discussions

Migratory Birds

  • eypates04
     + 1 comment

    fun migratoryBirds(arr: Array): Int {

    val birdMap = mutableMapOf<Int, Int>()
for (bird in arr) {
    birdMap[bird] = birdMap.getOrDefault(bird, 0) + 1
}

val value = birdMap.map { it.value }.max()
val id = birdMap.filterValues { it == value }.keys.min()

return id

    }