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Word search II is a problem where you have to find all words from a given list in a 2D board of characters.
Use a trie data structure to efficiently search for words in the board.
Implement a backtracking algorithm to explore all possible paths in the board.
Optimize the search by pruning branches that cannot lead to a valid word.
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A graph traversal algorithm like Depth First Search (DFS) can be implemented to determine if A and B are friends, and if B and C are friends, subsequently making A and C friends automatically.
Implement a graph where each person is a node and friendships are edges between nodes
Use Depth First Search (DFS) to traverse the graph and check for connections between A and B, and B and C
If both connections exist, then A and C
Live coding on any platform - DSA round
I was interviewed before Jul 2023.
45 min round. Similar to Leetcode medium level question.
45 min coding round, 2 question asked
Design a system for proximity service
Utilize geolocation data to track user locations
Implement algorithms to calculate proximity between users
Use real-time updates to notify users of nearby contacts
I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
I applied via Recruitment Consulltant and was interviewed before Oct 2022. There were 3 interview rounds.
Minimum cut problem involves finding the minimum number of edges that must be removed to disconnect a graph.
The minimum cut problem is typically solved using algorithms like Karger's algorithm or Ford-Fulkerson algorithm.
The result of the minimum cut problem is a partition of the graph into two sets of vertices.
The minimum cut problem is often used in network flow optimization and graph theory.
Example: In a network of ...
Longest increasing subsequence sum problem
I applied via Referral and was interviewed before Jul 2023. There were 3 interview rounds.
Basic stack and array questions
There is no one-size-fits-all answer to which DB is the best choice, as it depends on the specific requirements of the project.
Consider the type of data being stored (structured, unstructured, etc.)
Evaluate the scalability and performance needs of the project
Take into account the budget and resources available for maintenance and support
Look at the existing technology stack and compatibility with other systems
Consider ...
Integrate ads into Facebook feed for monetization
Utilize Facebook Audience Network for ad integration
Implement native ads for seamless user experience
Use targeting options to display relevant ads to users
posted on 15 Oct 2024
DSA Problems from leetcode
I applied via Referral and was interviewed before May 2023. There were 3 interview rounds.
It was a DSA ALGO Medium round
Designing an analytics system for data analysis and visualization
Define the goals and objectives of the analytics system
Identify the data sources and types of data to be collected
Choose appropriate tools and technologies for data processing and analysis
Design a data model and architecture for storing and accessing data
Implement data visualization techniques for presenting insights to users
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