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Hackerrank test - DSA, RestAPI, SQL
Implementing a 'Close Friends' feature in a social media platform.
Allow users to create a list of close friends to share exclusive content with
Provide options for users to customize privacy settings for their close friends list
Include a notification feature for when a user is added to someone else's close friends list
Top trending discussions
I applied via LinkedIn and was interviewed before Jul 2020. There were 4 interview rounds.
Binary sort for rotated array
Bloom filters are space-efficient data structures used for quick membership queries.
Space-efficient data structure
Quick membership queries
False positives possible
Design a distributed system for generating tiny URLs
Use a distributed key-value store to store mappings of short URLs to original URLs
Implement a service that generates unique short URLs and stores them in the key-value store
Use a load balancer to distribute requests to multiple instances of the service for scalability
Consider using consistent hashing to evenly distribute the load across nodes in the system
I applied via Recruitment Consultant and was interviewed in May 2021. There was 1 interview round.
Components are individual parts that make up a larger system or object.
Components can be physical or digital.
Examples of physical components include nuts and bolts in a machine.
Examples of digital components include software modules in a computer program.
Components work together to create a functioning whole.
Components can be replaced or upgraded without replacing the entire system.
I applied via Campus Placement and was interviewed in Jan 2016. There were 3 interview rounds.
Yes
Knowledge of network protocols and architectures
Understanding of data structures and algorithms
Experience with network troubleshooting and analysis
Familiarity with network security and encryption
Proficiency in network programming and socket programming
The test went well, I was able to complete all the tasks within the given time frame.
I prepared well for the test by reviewing relevant materials
I managed my time effectively during the test
I was able to solve all the problems and complete all the tasks
I double-checked my work to ensure accuracy
based on 1 interview
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