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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
I applied via Referral and was interviewed in May 2022. There were 2 interview rounds.
LRU cache is a data structure that stores the most recently used items and discards the least recently used items.
Use a hash table to store key-value pairs
Use a doubly linked list to keep track of the order of items
When an item is accessed, move it to the front of the list
When the cache is full, remove the least recently used item from the back of the list
Lookup and insertion should be O(1) time complexity
To grow a client, focus on building strong relationships, providing excellent customer service, and offering personalized solutions.
Regularly communicate with the client to understand their needs and concerns
Provide customized solutions that meet their specific requirements
Offer additional products or services that complement their existing ones
Provide exceptional customer service to build trust and loyalty
Regularly re...
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I applied via Indeed and was interviewed before Jun 2019. There were 4 interview rounds.
I have 3 years of experience working as a Data Analyst in the finance industry.
Analyzed financial data to identify trends and make recommendations
Created reports and dashboards using tools like Tableau and Excel
Collaborated with cross-functional teams to improve data quality and accuracy
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...
DHCP is a protocol that assigns IP addresses to devices on a network. DNS is a system that translates domain names to IP addresses.
DHCP assigns IP addresses to devices on a network
DNS translates domain names to IP addresses
DHCP reduces the need for manual IP address configuration
DNS allows users to access websites using domain names instead of IP addresses
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 Jul 2020. There were 5 interview rounds.
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