iOS实现简单的关灯游戏

#import "MainViewController.h"
#import "NewView.h"
#define M 13
#define N 7
@interface MainViewController ()

@end

@implementation MainViewController

- (void)viewDidLoad {
[super viewDidLoad];
UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
button.frame = CGRectMake(0, 300, 20, 20);
[button setTitle:@"