vukcevich

import UIKit


class NodeTree<T: Comparable> {
    
    var key: T?
    var leftNode:NodeTree?
    var rightNode: NodeTree?
    
    init(key:T, leftChild: NodeTree?, rightChild: NodeTree?) {

vukcevich

    ACTION = build
    AD_HOC_CODE_SIGNING_ALLOWED = NO
    ALTERNATE_GROUP = staff
    ALTERNATE_MODE = u+w,go-w,a+rX
    ALTERNATE_OWNER = grantdavis
    ALWAYS_SEARCH_USER_PATHS = NO
    ALWAYS_USE_SEPARATE_HEADERMAPS = YES
    APPLE_INTERNAL_DEVELOPER_DIR = /AppleInternal/Developer
    APPLE_INTERNAL_DIR = /AppleInternal
    APPLE_INTERNAL_DOCUMENTATION_DIR = /AppleInternal/Documentation

vukcevich

//: Playground - noun: a place where people can play

import UIKit

var str = "Anonymous Class in Swift"

//https://stackoverflow.com/questions/24408068/anonymous-class-in-swift
//There is no equivalent syntax.
//Regarding equivalent techniques, theoretically you could use closures and define structs and classes inside them.

vukcevich

//: Playground - noun: a place where people can play

import PlaygroundSupport
import UIKit
import Foundation

PlaygroundPage.current.needsIndefiniteExecution = true
URLCache.shared = URLCache(memoryCapacity: 0, diskCapacity: 0, diskPath: nil)

vukcevich

import UIKit

//Reference:
//https://medium.com/@Dougly/recursion-with-a-binary-tree-swift-3-748bbefc2cec

//Using Loop
func countDownLoop(from number: Int) {
    var i = number
    while i > 0 {
        print(i)

vukcevich

import UIKit

//Find matching pattern string as per input 'pattern' string


//****Input:
//var arStr = ["abbba"] //test 1
//var arStr = ["bbbaaa", "baaaa"]
//var arStr = ["bbbaaa", "baaaa", "abbbc", "abbba"]

vukcevich

//: Playground - noun: a place where people can play

import UIKit

//Article: 
//https://www.raywenderlich.com/144083/swift-algorithm-club-swift-linked-list-data-structure

//Use Generics
public class Node<T> {
    

vukcevich

//: Playground - noun: a place where people can play

import UIKit


//Swift --- Map -- Filter --- Reduce --- FlatMap
//An example how to write these functions in shorter form: 


var HPs = [50, 60, 70]

vukcevich

//: Playground - noun: a place where people can play

import Foundation
import UIKit

//As reference:
//https://spin.atomicobject.com/2015/03/24/evaluate-string-expressions-ios-objective-c-swift/

/**
 NSExpression

vukcevich

/*
Things to 'remember' about recursion:

--- you can call a function inside of itself
--- you always have at least "ONE BASE CASE" in order to prevent the function calling itself infinite times.
*/

func fibonacci(_ i: Int) -> Int {
    if i <= 2 {
        return 1