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tonybaines/palindrome: product of two 3-digit numbers (kotlin)

Last active April 16, 2019 15:13
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palindrome: product of two 3-digit numbers (kotlin)
val lowerBound = 100
val upperBound = 999
val Int.isPalindrome: Boolean
get() = this.toString() == this.toString().reversed()
println((lowerBound..upperBound).flatMap { x ->
(lowerBound..upperBound).map { y -> x * y }
.filter { it.isPalindrome }
}.max())
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