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Pickrr Software Developer Interview Questions and Answers
Pickrr Software Developer Interview Experiences
1 interview found
Piyush Dayani
(1 Question)
- Q1. DSA and puzzle.
(1 Question)
- Q1. Reverse linked list in k groups
- Ans.
Reverse a linked list in groups of k nodes
Iterate through the linked list in groups of k nodes
Reverse each group of k nodes
Update the pointers accordingly
(1 Question)
- Q1. Projects, Q related to BFS & DFS, Coding question
(1 Question)
- Q1. Salary Discussion and Culture fit
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
Anonymous
I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.
Computer Fundamentals
(1 Question)
- Q1. Flatten a binary tree
- Ans.
Flatten a binary tree by converting it into a linked list in-place.
Use a recursive approach to flatten the binary tree.
Traverse the tree in a pre-order manner and keep track of the previous node.
Set the left child of each node to null and the right child to the next node in the linked list.
Example: Input: 1 -> 2 -> 5 -> 3 -> 4 -> null, Output: 1 -> null -> 2 -> null -> 3 -> null -> 4 -> null -> 5 -> null
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed in Oct 2024. There were 2 interview rounds.
Solving normal Puzzles to test aptitude.
Sample app was asked to create.
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Feb 2024. There were 3 interview rounds.
They have their own coding platform. The questions are basically from tree.
Tree of space question
(2 Questions)
- Q1. Previous round question solution
- Q2. System design was asked.
Interview Preparation Tips
- tree
- graph
- system design
Leecode medium level question
Leetcode Hard level Question
(1 Question)
- Q1. This is cto round asked some interview questions
Selected
I applied via LinkedIn and was interviewed before May 2023. There were 3 interview rounds.
That would be online Test with 12 questions MCQ and 1 coding question. 12 MCQ questions would be related to technology and bascis, coding question would alos be basic
(5 Questions)
- Q1. All Technical related, mostly related to swift ARC, Queues, Threading, unit test cases
- Q2. Concepts of memory ARC in Swift
- Ans.
Memory ARC in Swift manages memory by automatically deallocating objects when they are no longer needed.
ARC stands for Automatic Reference Counting
ARC keeps track of how many references exist to an object
When the reference count drops to zero, the object is deallocated
Weak references are used to avoid retain cycles
- Q3. Generics in Swift
- Ans.
Generics in Swift allow you to write flexible, reusable functions and types that can work with any type.
Generics enable you to write functions and types that can work with any type, without specifying the actual type until the function or type is used.
You can define generic functions, methods, classes, structures, and enumerations in Swift.
Example: func swapTwoValues
(_ a: inout T, _ b: inout T) { let temp = a; a = b; b...
- Q4. MVC vs MVVM in swift
- Ans.
MVC focuses on separating data, presentation, and user interaction, while MVVM adds a ViewModel to handle logic and data binding.
MVC stands for Model-View-Controller, where the controller handles user input, the model manages data, and the view displays the data. Example: UIKit in iOS development.
MVVM stands for Model-View-ViewModel, where the ViewModel acts as an intermediary between the model and view, handling data ...
- Q5. Optionals, Protocols and Delegates, LifeCycle
An app with Login screen with authentication in MVVM
Selected
I applied via campus placement at National Institute of Technology,(NIT), Delhi and was interviewed before Mar 2023. There were 3 interview rounds.
Kadance algorithm and find the middle of the linklist
More on java and Python based coding questions
(4 Questions)
- Q1. Behavioural questions were asked
- Q2. What are your expectations from this job
- Q3. What are your plans ahead
- Q4. Where do you see yourself in 5 years ahead
Interview Preparation Tips
3 Graph Questions Were asked of difficulty medium to hard.
Hackathon round which revolved around multithreading
I applied via LinkedIn and was interviewed before Aug 2023. There were 2 interview rounds.
Leetcode easy medium question
(1 Question)
- Q1. Why you want to join biofourmis
Selected
I applied via LinkedIn and was interviewed before Feb 2023. There were 2 interview rounds.
- simple basic ios questions
(1 Question)
- Q1. Asked DSA array questions
Interview Preparation Tips
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