LeetCode/kt/largest-3-same-digit-number-in-string.kt
Matej Focko 2351dfd0ee
chore: unwrap one layer
Signed-off-by: Matej Focko <mfocko@redhat.com>
2023-12-12 14:36:00 +01:00

14 lines
331 B
Kotlin

class Solution {
fun largestGoodInteger(num: String): String = num
.asSequence()
.windowed(3)
.filter { s ->
s[0] == s[1] && s[1] == s[2]
}
.map { window ->
window.joinToString("")
}
.maxByOrNull { num ->
num.toInt()
} ?: ""
}