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I applied via Naukri.com and was interviewed before Jan 2023. There were 3 interview rounds.
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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
During the coding round, I was asked a question about performing insertion sort using recursion. Additionally, there were theoretical questions regarding DBMS and some puzzles. The interview lasted for 45 minutes.
My college experience was enriching, I live in a bustling city, and my interests include coding, hiking, and playing the guitar.
College experience was enriching with challenging coursework and extracurricular activities
I live in a bustling city with access to diverse cultural events and opportunities
Interests include coding, hiking, and playing the guitar for relaxation and creativity
posted on 11 Nov 2019
I applied via Naukri.com and was interviewed in May 2019. There were 5 interview rounds.
I applied via Company Website and was interviewed before Jan 2024. There was 1 interview round.
Asked a few Leetcode style questions
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.
I applied via Campus Placement and was interviewed in Nov 2021. There were 3 interview rounds.
I applied via Company Website and was interviewed in Jun 2021. There were 5 interview rounds.
Spring Boot is an extension of Spring Framework that simplifies the development of Spring-based applications.
Spring Boot provides a pre-configured environment for building applications, while Spring Framework requires more configuration.
Spring Boot includes an embedded server, while Spring Framework requires an external server.
Spring Boot provides a variety of starter dependencies to quickly add functionality, while Sp...
We use a continuous deployment strategy with automated testing and manual approval.
We have a Jenkins pipeline set up for continuous integration and deployment.
Our code is automatically tested using unit tests and integration tests.
Once the tests pass, the code is deployed to a staging environment for manual testing.
If the staging tests pass, the code is deployed to production.
We also have rollback procedures in place i...
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