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• Solution.swift

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g0101_0200.s0136_single_number.Solution.swift Maven / Gradle / Ivy

// #Easy #Top_100_Liked_Questions #Top_Interview_Questions #Array #Bit_Manipulation
// #Data_Structure_II_Day_1_Array #Algorithm_I_Day_14_Bit_Manipulation #Udemy_Integers
// #Big_O_Time_O(N)_Space_O(1) #2024_06_27_Time_35_ms_(99.24%)_Space_15.8_MB_(80.95%)

class Solution {
    func singleNumber(_ nums: [Int]) -> Int {
        var res = 0
        for num in nums {
            res ^= num
        }
        return res
    }
}