Haldiram Bhujiawala Interview Questions and Answers

Difference between stack and queue

Q1. Complexity of merge sort
Ans. 
Merge sort has a time complexity of O(n log n) and is a divide and conquer algorithm.
• Divides the array into two halves recursively

• Sorts the two halves separately

• Merges the sorted halves to produce the final sorted array

• Uses extra space for merging

• Suitable for sorting linked lists

• Example: Sorting an array of 10 elements takes 30 comparisons and 3 merge operations
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Q2. Complexity of quick sort
Ans. 
Quick sort has an average time complexity of O(n log n) and worst case complexity of O(n^2).
• Quick sort is a divide-and-conquer algorithm that recursively partitions an array into smaller sub-arrays.

• It selects a pivot element and partitions the array around the pivot, with elements smaller than the pivot to its left and larger to its right.

• The pivot is then placed in its final position and the algorithm is applied to th...read more
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Q1. This is a question which might be going to ask
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Q2. Answer is the one with question
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Q1. Hr round was tough
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Mental ability base test

What is work And compny growth