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September 5, 2018 14:32
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[Leet Code] Two Sum
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| func twoSum(_ nums: [Int], _ target: Int) -> [Int] { | |
| var dic = [Int : Int]() | |
| for (i, element) in nums.enumerated() { | |
| let diff = target - element | |
| if (dic.keys.contains(diff)) { | |
| return [dic[diff]!,i] | |
| } | |
| dic[element] = i | |
| } | |
| return [0] | |
| } | |
| twoSum([2,1,9,4,4,56,90,3],8) |
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