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I applied via Company Website and was interviewed in Sep 2024. There were 3 interview rounds.
Pseudo code explanation and improvement for better understanding and efficiency
Pseudo code is a high-level description of a computer program or algorithm
It uses natural language mixed with programming language-like syntax
Improvements can include adding comments for clarity, using proper indentation, and simplifying complex logic
Example: Original pseudo code - 'if x > 5 then print 'Hello World' else print 'Goodbye'
Impro...
A framework is a set of guidelines, libraries, and tools used to develop and maintain software applications.
Provides structure and organization for code
Promotes code reusability
Facilitates automation and testing
Examples: Selenium for web automation, JUnit for unit testing
Agile and day to day working
Stakeholders and conflict management
Effective ways of working include clear communication, collaboration, prioritization, and continuous improvement.
Clear communication is essential for sharing information and avoiding misunderstandings.
Collaboration helps team members work together towards common goals.
Prioritization ensures that tasks are completed in the most efficient order.
Continuous improvement involves learning from mistakes and finding ways to wo...
I applied via Approached by Company and was interviewed in Jan 2022. There were 3 interview rounds.
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I applied via Naukri.com and was interviewed before Apr 2020. There were 3 interview rounds.
SCD Type 2 is a technique used to track historical changes in data over time in a data warehouse.
SCD Type 2 maintains a separate row for each change in data, with a start and end date.
It requires a surrogate key to uniquely identify each row.
Informatica provides a built-in SCD Type 2 transformation to implement this technique.
Example: tracking changes in customer addresses over time.
Find an odd occurring number among even occurring numbers.
Use XOR operation to cancel out even occurring numbers and get the odd occurring number.
Iterate through the array and XOR each element with the result variable.
The final result will be the odd occurring number.
Print the spiral order of a binary tree and matrix.
For binary tree, use level order traversal and alternate direction for each level.
For matrix, use four pointers to traverse in spiral order.
Example for binary tree: 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8 -> 9
Example for matrix: 1 2 3 4 -> 8 7 6 5 -> 9 10 11 12 -> 16 15 14 13
Finding pairs in an array with a given sum.
Iterate through the array and for each element, check if the difference between the given sum and the element exists in the array.
Use a hash table to store the elements of the array and their indices for faster lookup.
If there are multiple pairs with the same sum, return any one of them.
If no pair is found, return null or an empty array.
Find total number of k element with given avg in an array in minimum time complexity.
Use sliding window technique to traverse the array in O(n) time complexity.
Maintain a sum variable to keep track of the sum of elements in the window.
If the sum of elements in the window is equal to k times the given avg, increment the count.
Move the window by subtracting the first element and adding the next element in the array.
Printing non-boundary elements of a binary tree
Traverse the tree in any order (preorder, inorder, postorder)
Check if the current node is not a boundary node (not the first or last node in its level)
If it is not a boundary node, print its value
Recursively traverse its left and right subtrees
I have a strong background in software engineering and a passion for innovation, making me a valuable asset to HSBC.
I have a proven track record of successfully delivering high-quality software solutions in previous roles.
I am highly skilled in various programming languages and technologies, including Java, Python, and SQL.
I have experience working in agile development environments, allowing me to adapt quickly to chan...
I applied via LinkedIn and was interviewed before Aug 2020. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed in Dec 2020. There was 1 interview round.
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