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import UIKit

class ViewController: UIViewController, UICollectionViewDelegate, UICollectionViewDataSource{
 
    
    var collectionImage: UIImage?
    
    var photoArray: [String] = ["AntMan", "BlackPanther", "BlackWidow", "CaptainAmerican","CaptainMarvel", "Drax", "DrStranger","Gamora", "Hawkeye","Hulk","IronMan","Loki","Mantis","NickFury","Okoye","Pepper","Rocket","ScarletWitch","Thor","Valkyrie", "WinterSoldier", "Wong","Groot","Wasp"]
    
   

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import UIKit

class ViewCollectionViewCell: UICollectionViewCell {
    
   var imageView: UIImageView!
    

    
    override init(frame: CGRect) {
        super.init(frame: frame)

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import UIKit

class PhotoScrollViewViewController: UIViewController, UIScrollViewDelegate{
    
    @IBOutlet weak var myScrollView: UIScrollView!
    
    @IBOutlet weak var myImageView: UIImageView!
    
    var scrollViewImage: UIImage?
    

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import UIKit

private let reuseIdentifier = "Cell"



class CollectionViewController: UICollectionViewController{
    
     var collectionImage: UIImage?
    

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import UIKit

private let reuseIdentifier = "Cell"



class CollectionViewController: UICollectionViewController{
    
    
    

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  override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        
        let imageWidth = headScrollView.frame.width
        
        //contentSize 滾動區域的大小；CGSize 指定區域大小
        
        headScrollView.contentSize = CGSize(width: imageWidth*14, height: headScrollView.frame.height)
        bodyScrollView.contentSize = CGSize(width: imageWidth*14, height: bodyScrollView.frame.height)
        footScrollView.contentSize = CGSize(width: imageWidth*14, height: footScrollView.frame.height)

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 Timer.scheduledTimer(withTimeInterval: 3, repeats:true) { (_) in
            var offsetX = self.headScrollView.contentOffset.x + self.headScrollView.frame.width
            if offsetX == self.headScrollView.contentSize.width {
                offsetX = 0
            }
            self.headScrollView.setContentOffset(CGPoint(x: offsetX, y: 0), animated: true)
        }
        Timer.scheduledTimer(withTimeInterval: 4, repeats: true) { (_) in
            var offsetX = self.bodyScrollView.contentOffset.x + self.bodyScrollView.frame.width
            if offsetX == self.bodyScrollView.contentSize.width {

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 import Foundation

struct qna {
    var question: String
    var answer: String
    var choices: [String] = []
}

var multiples = [
    qna(question: "BMW", answer: "oBMW", choices: ["xBMW", "oBMW"]),

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 let sumis = ["jigsaw1", "jigsaw2", "jigsaw3"]

    @IBAction func chooseButtonPressed(_ sender: UIButton) {
      newSumis = self.sumis.shuffled()[0...2]
        imageView.image = UIImage(named: newSumis[0])
        if imageView.image == UIImage(named: "jigsaw1"){
            Button0.setBackgroundImage(UIImage(named: "1_0"), for:.normal)
            Button1.setBackgroundImage(UIImage(named: "1_1"), for:.normal)
            Button2.setBackgroundImage(UIImage(named: "1_2"), for:.normal)
            Button3.setBackgroundImage(UIImage(named: "1_3"), for:.normal)

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class GridView: UIView {

    
    // Only override draw() if you perform custom drawing.
    // An empty implementation adversely affects performance during animation.
    override func draw(_ rect: CGRect) {
        // Drawing code
        let path = UIBezierPath()
        let squareWidth: CGFloat = 110
        let lineWidth: CGFloat = 12.5