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Update isLucky.swift #1

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9 changes: 5 additions & 4 deletions Arcade/Intro/isLucky.swift
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Original file line number Diff line number Diff line change
@@ -1,10 +1,11 @@
// https://codefights.com/arcade/intro/level-3/3AdBC97QNuhF6RwsQ

func isLucky(n: Int) -> Bool {
var a = String(n).characters.map { Int("\($0)")! }, h = a.count / 2
var h1 = a[0..<h].reduce(0, combine: +)
var h2 = a[h..<2*h].reduce(0, combine: +)

let a = String(n).map { Int("\($0)")! }, h = a.count / 2
let h1 = a[0..<h].reduce(0) {
$0 + $1
}
let h2 = a[h..<2*h].reduce(0) {$0 + $1}
print(a)
return h1 == h2
}