Addepar Senior Developer Interview Questions and Answers for Experienced

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Duration-1.5 hours
Kadane's Algorithm, Even Numbers at even index & odd at odd index, print out the second highest node of the tree

Q1. DSA ZigZag tree traversal OS Architecture of RAM Types of RAM Difference between compiler and interpreter What is a scheduler What is multithreading Disadvantages of FCFS and how can we use RoundRobin to ...read more
Ans. 
ZigZag tree traversal is a method to traverse a binary tree in a zigzag pattern.
• In ZigZag tree traversal, we visit the nodes of a binary tree in a zigzag pattern, moving from left to right and then right to left.

• We can use a stack or a queue to implement ZigZag tree traversal.

• The algorithm involves maintaining two stacks or two queues to keep track of the nodes at each level.

• We start with the root node and alternate be...read more
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Arrays, LinkedList basic dsa questions

Q1. Binary Tree 2nd largest node
Ans. 
To find the 2nd largest node in a binary tree, we can perform an in-order traversal and keep track of the two largest nodes.
• Perform an in-order traversal of the binary tree

• Keep track of the two largest nodes encountered

• Return the second largest node when traversal is complete
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Q2. Basic web questions
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Easy coding question generally A, B level question of codeforces

Q1. OOPs, DBMS , Computer network and some basics over java
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JavaScript questions

Q1. Why you want to switch
Ans. 
Seeking new challenges and growth opportunities in a different environment.
• Desire to work on new technologies and projects

• Opportunity for career advancement

• Seeking a better work-life balance

• Interested in a different company culture or team dynamic
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Q1. What is the difference between a static function and a static variable?
Ans. 
Static function is a function that can only be accessed within the same file, while a static variable is a variable that retains its value between function calls.
• Static function is declared using the 'static' keyword before the return type, limiting its scope to the file it is defined in.

• Static variable is declared using the 'static' keyword before the variable type, retaining its value between function calls.

• Example o...read more
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Q2. What is the synchronization technique?
Ans. 
Synchronization technique is a method used to control access to shared resources in a multi-threaded environment.
• Synchronization techniques prevent race conditions and ensure data consistency

• Common synchronization techniques include locks, semaphores, and monitors

• Examples include using synchronized keyword in Java or mutex in C++
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Add an element to a linked list.

DS/ALGO and problem-solving was asked in round one

2 hours and questions consist of 12th Math MCQ

GD topic of how to make sales pitch more effective