HashStudioz Technologies IOS Developer Interview Questions and Answers

5 coding questions on google docs..duration 1 hour

Q1. Questions on string and array manipulation, leap year identification, second largest element of array, etc
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20 questions and 40 minutes time, questions were asked from computer science basics and aptitude

5 coding questions and 1 hr time. Questions were easy to medium level and mostly asked on topics like array, strings and basic data structures

Q1. Next 3 rounds were technical interviews. Coding questions were asked in all rounds and some hr questions in 3rd interview.
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Basic coding question on array and string.

Code Snept question with 3-4 Reasoning question. Google form

Pen paper coding round. String , Array . Linkedlist , graph, questions

Q1. Maximum Spaning
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Q2. Nearest Prime number
Ans. 
To find the nearest prime number, iterate from the given number in both directions until a prime number is found.
• Start iterating from the given number in both directions to find the nearest prime number.

• Check if a number is prime by dividing it by all numbers less than its square root.

• Keep track of the closest prime number found during the iteration.
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Q3. Second Maximum Number in Array
Ans. 
Find the second maximum number in an array of strings.
• Convert the array of strings to an array of integers.

• Sort the array in descending order.

• Return the second element in the sorted array.
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Q1. Project Question
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Q2. Robot question of DSA
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Q3. Stock Buy and sell - VI . Leetcode Hard
Ans. 
Maximize profit by buying and selling stocks with at most k transactions.
• Use dynamic programming to track profits for each transaction.

• Maintain an array to store maximum profit for each day.

• Example: For prices [3,2,6,5,0,3] and k=2, max profit is 7.

• Consider edge cases like k=0 or prices being empty.
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Q4. Leetcode Medium
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DSA questions such as Map, linked list

Three were basic questions around strings and arrays

Q1. Detailed discussion on data structures and algorithms
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Q1. MCQ test. 20 questions were asked and attempted in 30 minutes.
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1hr duration, test can be attempted in any language. I have attempted in python.

5 coding questions in the first round

Q1. About yourself , about your project explaination.
Ans. Explianation about your project they'll ask fine details also.
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Q2. Find prime numbers value.
Ans. 
A prime number is a number greater than 1 that is divisible only by 1 and itself.
• Start with a loop to iterate through numbers

• Check if each number is divisible by any number from 2 to its square root

• If not divisible, add it to the list of prime numbers
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