Given an array, without using extra space, move all zeros to the end and no-zeros to the beginning. The function should return the number of non-zeros.
Lead Ios Engineer Interview Questions
1,714 lead ios engineer interview questions shared by candidates
1. Given a 3 array like below NSArray *a = [1,3,4,5]; NSArray *b = [-1,3,0,9]; NSArray *c = [0,31,32,22,6]; Find the elements from the three array which existing in atleast 2 arrays. Eg: [3, 0] Because 3 is presented in array a, b and 0 is presented in array b, c respectively. -(NSArray)find2ElementsAtleastPresentIn2Arrays:(NSArray*)aList b::(NSArray*)bList c::(NSArray*)cList{ // -- your code here. }
The same list, back to inorder binary tree
The same usual customer service questions. Same sort of questions that are on the application
given numbers 1 4 2 0 2 0, move all zeros to beginning using minimum sorting technique
Implement the MyStack. (A lot of questions about multi-threading) @protocol Stack -(void)pushObject:(nonnull id)obj; -(nonnull id)popObjext; @property(nonatomic,assign)NSInteger count; @end @interface MyStack : NSObject <Stack> @end @implementation MyStack @end
Giving a circular sorted array Ex: [7,9,3,5,6], write an algorithm that finds the smaller element index.
How would you implement UIView hitTest mehtod?
first questions : 1,3,5,7,11,13,17,19,23,29,..... next element
Typical technical interview questions
Viewing 1 - 10 interview questions
See Interview Questions for Similar Jobs
Sr Android DeveloperFreelance Ios DeveloperHybrid Mobile DeveloperLead Android DeveloperAndroid Application DeveloperLead Ios DeveloperHybrid Mobile App DeveloperSr Ios DeveloperJunior Android DeveloperSwift DeveloperAndroid DevelopersLead Mobile EngineerLead Mobile DeveloperAndroid Applications DeveloperJunior Android Software EngineerAndroid Software DeveloperSenior Android Software EngineerSenior Mobile Ios Developer