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| let array = [Int]() | |
| let dic = [Int : Double]() | |
| let tuple = array | |
| .map { c -> (a: Int, b: Double) in return (a: c, b: dic[c]!) } | |
| .sorted(by: { (x, y) -> Bool in return x.b == y.b ? x.a < y.a : x.b > y.b }).first! |
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