Meritto Softwaretest Engineer Interview Questions and Answers

DSA medium leetcode questions - easy to solve

DSA medium 2 questions and core questions 1.5 hrs

Q1. Managerial round and company fit check
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Q2. Tell about company
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Q3. Why should we hire you?
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Q4. Tell something not in your resume
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Q5. How would you handle deadlines?
Ans. 
I prioritize tasks, communicate with stakeholders, and adjust resources as needed to meet deadlines.
• Prioritize tasks based on importance and urgency

• Regularly communicate with stakeholders to provide updates and address any issues that may impact deadlines

• Adjust resources or seek help from team members if necessary to meet deadlines
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Question on dsa and string theory along with oops concepts

Q1. Question on java strings and arrays
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Increasing triple subsequence, rest is easy hashmap

Q1. Senior taking technical round
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Q1. Manger Taking technical round
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Q1. Salary Discussion
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Q1. Design Questions to build a scalable micro service
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Q2. Salary Discussion
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Easy to medium, can solve with leetcode medium

Q1. Number of islands count
Ans. 
Count the number of islands in a grid of '1's and '0's
• Iterate through the grid and for each '1' encountered, perform a depth-first search to mark all connected '1's as visited

• Increment the island count for each new island found

• Ensure to handle boundary cases and check for visited nodes
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Q2. First and last index of a particular element in an array
Ans. 
Find the first and last index of a specific element in an array of strings.
• Iterate through the array and keep track of the index of the first and last occurrence of the element.

• Return the first and last index once the iteration is complete.

• Example: Array ['apple', 'banana', 'apple', 'orange'], element 'apple' - First index: 0, Last index: 2.
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Q1. DSA - level order traversal, sliding window.
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Q1. Atomic transaction in distributed system
Ans. 
Atomic transactions ensure that all operations in a transaction are completed successfully or none at all in a distributed system.
• Atomic transactions guarantee that all operations within a transaction are either all successful or all rolled back.

• In distributed systems, atomic transactions are crucial for maintaining data consistency across multiple nodes.

• ACID properties (Atomicity, Consistency, Isolation, Durability) a...read more
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