27. Remove Element

27. Remove Element.swift

class Solution {
    func removeElement(_ nums: inout [Int], _ val: Int) -> Int {
        guard nums.count > 0 else {
            return 0
        }
        
        var idx: Int = 0
        while true {
            if idx == nums.count {
                break
            }
            if nums[idx] == val {
                nums.remove(at: idx)
            } else {
                idx += 1
            }
        }
        return nums.count
    }
}