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I applied via Company Website and was interviewed in Feb 2023. There were 2 interview rounds.
Function overloading is the ability to define multiple functions with the same name but different parameters. The main method cannot be overloaded.
Function overloading allows multiple functions with the same name but different parameters to coexist in a program.
Example: int add(int a, int b) and float add(float a, float b) are overloaded functions.
The main method in Java cannot be overloaded as it is the entry point of...
I applied via Recruitment Consultant and was interviewed before Nov 2020. There was 1 interview round.
Bangalore is a bustling city in southern India known for its IT industry and pleasant climate.
Known as the Silicon Valley of India
Home to numerous IT companies such as Infosys, Wipro, and TCS
Famous for its gardens and parks, including Lalbagh and Cubbon Park
Has a rich cultural heritage, with landmarks such as the Bangalore Palace and Tipu Sultan's Summer Palace
Renowned for its food, with local specialties such as masal
I applied via LinkedIn and was interviewed before Apr 2021. There was 1 interview round.
I applied via Internshala and was interviewed before Sep 2021. There were 2 interview rounds.
I applied via Campus Placement and was interviewed before Dec 2020. There were 4 interview rounds.
Design a stack that supports getmin in O(1) time and O(1) space complexities.
Use two stacks, one for storing the actual values and the other for storing the minimum values.
When pushing a new value, check if it is smaller than the current minimum value and push it to the minimum stack if it is.
When popping a value, check if it is the current minimum value and pop it from the minimum stack if it is.
To get the minimum val...
Binary tree traversal is the process of visiting each node in a binary tree exactly once in a specific order.
There are three main types of binary tree traversal: inorder, preorder, and postorder.
Inorder traversal visits the left subtree, then the root, then the right subtree.
Preorder traversal visits the root, then the left subtree, then the right subtree.
Postorder traversal visits the left subtree, then the right subt...
LRU cache is a data structure that stores the most recently used items and discards the least recently used items.
LRU stands for Least Recently Used
It has a fixed size and when the cache is full, the least recently used item is removed to make space for a new item
It uses a combination of a doubly linked list and a hash map to achieve O(1) time complexity for both insertion and deletion
Example: A web browser cache that ...
I applied via Recruitment Consultant and was interviewed in May 2020. There were 3 interview rounds.
Diameter of a binary tree is the longest path between any two leaf nodes.
Calculate the height of left and right subtrees recursively.
Calculate the diameter recursively using the formula max(left_height + right_height + 1, max(left_diameter, right_diameter)).
Return the maximum diameter.
To find interchanged terms from an AP series
Identify the common difference between terms
Swap the positions of adjacent terms
Check if the new series is also an AP
Repeat until no more interchanged terms can be found
Database indexing is a technique to improve the performance of database queries.
Indexing creates a data structure that allows for faster retrieval of data.
Indexes are created on one or more columns of a table.
Queries that use indexed columns can be executed faster.
Indexes can be clustered or non-clustered.
Clustered indexes determine the physical order of data in a table.
Non-clustered indexes create a separate structure...
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