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| import Foundation | |
| func expandTheNumber(_ number: Int) -> [Int] { | |
| // get array of digits | |
| let digits = String(number).map { Int(String($0))! } | |
| // get array of reversed indexes, i.e. [2, 1, 0] | |
| let reversedIndexes = Array(digits.enumerated().map { $0.offset }.reversed()) | |
| // multiply each digit by 10 to the power of corresponding reversedIndex | |
| return digits.enumerated().map { $0.element * Int(pow(Double(10), Double(reversedIndexes[$0.offset]))) } | |
| } | |
| expandTheNumber(199) // [100, 90, 9] | |
| expandTheNumber(100) // [100, 0, 0] | |
| expandTheNumber(0) // [0] | |
| expandTheNumber(562) // [500, 60, 2] | |
| expandTheNumber(5280) // [5000, 200, 80, 0] | |
| expandTheNumber(560) // [500, 60, 0] | |
| // for (offset, element) in digits.enumerated() { | |
| // //print("\(element) * \(pow(10, reversedIndex[offset]))") | |
| // print(element * Int(pow(Double(10), Double(reversedIndex[offset])))) | |
| // } | |
| //print( | |
| // Array( | |
| // String(199).enumerated().map { Int(String($0.element))! * Int(pow(Double(10), Double($0.offset))) } | |
| // ) | |
| //) |
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