Sum CodeChallenge 11/13/19 by: Thomas Sabino-Benowitz

gistfile1.txt

func sum(_ nums: [Int], _ target: Int) -> [Int] {
    var sumIndex: [Int] = []
    for x in 0..<target {
        for y in 0...x{
            if (nums.firstIndex(of: x) != nil) {
                if (nums.firstIndex(of: y) != nil) {
                    if x + y == target {
                        sumIndex.append(nums.firstIndex(of: y)!)
                        sumIndex.append(nums.firstIndex(of: x)!)
                    }
                }
            }
        }
    }
    return sumIndex
    }