Question

How to get the median of two sorted arrays in Swift

Answer 1

import Foundation

func findMedianOfTwoSortedArrays(_ arr1: [Int], _ arr2: [Int]) -> Double {
    let merged = (arr1 + arr2).sorted()
    let mid = merged.count / 2

    if merged.count % 2 != 0 {
        return Double(merged[mid])
    } else {
        return Double(merged[mid - 1] + merged[mid]) / 2.0
    }
}

let arr1 = [1, 3, 5]
let arr2 = [2, 4, 6]

let median = findMedianOfTwoSortedArrays(arr1, arr2)

print(String(format: "Median: %.1f", median))




/*
run:

Median: 3.5

*/

 

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