largestFour

largestFour.swift

//## Largest Four
//
//**Challenge**
//
//Have the function LargestFour(**arr**) take the array of integers stored in **arr**, and find the four largest elements and return their sum.
//
//**Sample Test Cases**
//
//Input:1, 1, 1, -5
//
//Output:-2
//
//Input:0, 0, 2, 3, 7, 1
//
//Output:13

func largestFour(arr: [Int]) -> Int {
    var sum = 0
    var sortedArr = arr.sorted()
    for i in 1...4 {
        sum = sum + arr[arr.count - i]
    }
    return sum
}