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codewars

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sum-of-two-lowest-positive-integers.swift

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12 lines (11 loc) · 334 Bytes

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codewars

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sum-of-two-lowest-positive-integers.swift

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12 lines (11 loc) · 334 Bytes

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// brute force

func sumOfTwoSmallestIntegersIn(_ array: [Int]) -> Int {

let arraySorted = array.sorted() // O(n) operation

let sum = arraySorted[0] + arraySorted[1]

return sum

}

// refined

func sumOfTwoSmallestIntegersIn(_ array: [Int]) -> Int {

let arraySorted = array.sorted()

return arraySorted[0] + arraySorted[1]

}

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