VassarLabs Interview Questions, Process, and Tips

MCQ on DSA, 2 simple coding question

Q1. Rotate array clockwise K times, implement binary search
Ans. 
Rotate array clockwise K times, implement binary search
• Rotate the array by reversing the array and then reversing the first K elements and then reversing the remaining elements

• Implement binary search by dividing the array into two halves and comparing the middle element with the target

• Repeat the binary search until the target is found or the array is exhausted
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Q2. DSA and OOPS conceptual questions
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Q1. Implement linked list and its operations
Ans. 
A linked list is a data structure where each element points to the next element. Operations include insertion, deletion, and traversal.
• To insert a new element, create a new node and update the pointers of the previous and next nodes.

• To delete an element, update the pointers of the previous and next nodes to skip the node to be deleted.

• Traversal involves starting at the head node and following the pointers to each subse
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The case study is that of Optimum Reservoir management

Q1. How would you go about designing a Unified Platform for Water Visibility for a state.
Ans. 
Designing a Unified Platform for Water Visibility for a state.
• Conduct research on existing water management systems in the state

• Identify key stakeholders and their requirements

• Develop a user-friendly interface for data collection and analysis

• Ensure data accuracy and security

• Integrate real-time monitoring systems for water quality and quantity

• Provide actionable insights and recommendations for decision-making

• Collaborate...read more
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Q1. Questions on IOT and related
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Questions mainly from Linked list.

Q1. Basically coding round, with basic questions from arrays. One needs to have good communication skills to explain to interviewers.
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