KrazyBee Senior Engineer Interview Questions and Answers

Q1. 2 DSA leetcode (1 medium , 1 hard)
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Q1. Same round 1 2 DSA leetcode questions (1 hard , 1 medium)
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Q1. It was the hiring manager round, it started with the LRU cache algorithm and went deep in the system design
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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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25 basic aptitude asked from train,time and work

2 coding questions which was basic and medium questions

Medium level array question was asked on hackerrank.

Q1. Simple string question was asked which required a little thinking and simple implementation.
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Q1. This was a coding round. I was given a screenshot which has dropdowns in it and I had to make the UI of it using react.js
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Q1. Basic questions of related role.
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Q1. Deeper technology-related questions and simple coding
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Basic on PHP and Javascript should be clear
Laravel framework based questions

Algo, basic Javascript

Q1. Technical and Fitment round
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It was a 1 hour Technical screening round, coding question in java (you cna choose your own language). They asked a difficult version of regex matching question (Leetcode medium-hard).

Question on dsa and string theory along with oops concepts

Q1. Question on java strings and arrays
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