Title4

#import "Round.h"

加入這段程式碼
做出比對

NSInteger incorrect= 4-answerSet.count;
    NSInteger correct = 0;
    for(NSNumber * number in answerSet){
        NSUInteger indexOfUserGuess = [self.guessArray indexOfObject:number];
        NSInteger indexofAnswer = [self.answer indexOfObject:number];
        if (indexOfUserGuess == indexofAnswer){
            correct += 1;
        }
    }

    Round * round =[[Round alloc] init];
    round.userGuess = self.playTextField.text;
    round.result=[NSString stringWithFormat:@"%liA@%liB",correct,4-incorrect-correct];

    [self.guessHistory addObject:round];

#import "GuessViewController.h"
#import "Round.h"
@interface GuessViewController ()
@property (weak, nonatomic) IBOutlet UITextField *playTextField;
@property (strong, nonatomic)NSArray*guessArray;
@property (strong, nonatomic)NSArray*answer;
@property (strong, nonatomic)NSMutableArray*guessHistory;

@end

@implementation GuessViewController

- (void)viewDidLoad {
    [super viewDidLoad];

        [self randomNumber];
    // Do any additional setup after loading the view.
}
- (IBAction)getResult:(UIButton *)sender {
//    [self randomNumber];
    [self getUserGuess];
    NSMutableSet * answerSet = [NSMutableSet setWithArray:self.answer];
    NSMutableSet * userSet = [NSMutableSet setWithArray:self.guessArray];


    [answerSet intersectSet:userSet];

    NSInteger incorrect= 4-answerSet.count;
    NSInteger correct = 0;
    for(NSNumber * number in answerSet){
        NSUInteger indexOfUserGuess = [self.guessArray indexOfObject:number];
        NSInteger indexofAnswer = [self.answer indexOfObject:number];
        if (indexOfUserGuess == indexofAnswer){
            correct += 1;
        }
    }

    Round * round =[[Round alloc] init];
    round.userGuess = self.playTextField.text;
    round.result=[NSString stringWithFormat:@"%liA@%liB",correct,4-incorrect-correct];

    [self.guessHistory addObject:round];

    NSLog(@"%liA%liB",correct, 4-incorrect-correct);



}

-(void)randomNumber{
    //產生隨機數字
    NSArray *array=@[@0,@1,@2,@3,@4,@5,@6,@7,@8,@9];
    NSMutableSet * picked = [[NSMutableSet alloc] init];
    while(picked.count !=4){
        NSInteger index = arc4random() %10;
        NSNumber*unit = array[index];
        [picked addObject:unit];
    }

    self.answer = [picked allObjects];
    NSLog(@"%@",self.answer);
}

//取得文字框的字
-(void)getUserGuess{
    NSString * userTyped=self.playTextField.text;
    NSInteger guessNumber= userTyped.integerValue;
    NSNumber *thousand=[NSNumber numberWithInteger:(guessNumber/1000)] ;
    guessNumber %=1000;
    NSNumber *hundred =[NSNumber numberWithInteger:(guessNumber/100)] ;
    guessNumber %=100;
    NSNumber *ten = [NSNumber numberWithInteger:(guessNumber/10)] ;
    guessNumber %=10;
    NSNumber *unit =[NSNumber numberWithInteger:(guessNumber%10)] ;

    self.guessArray = @[thousand,hundred,ten,unit];
    NSLog(@"%@",self.guessArray);
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}



/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end