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# Interview Question for Data Structure

41 / 50

In a sequential search, what is the average number of comparisons it takes to search through n elements ?
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42 / 50

In a tertiary tree, which has three childs for every node, if the number of internal nodes are N, then the total number of leaf nodes will be.
Answer:

L=(N-1)*N 1 where L is total number of leaf and N is number of internal nodes.

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43 / 50

What is Bubble sort, Selections sort?
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44 / 50

How to find a duplicate number in a fixed length array, provided that only one element is duplicated.
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45 / 50

You are given a String, give the algorithm to find the number of occurrences of that string in the given paragraph.
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46 / 50

Give the Linked List Implementation of Stack.
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47 / 50

Explain Inorder, Preorder and Postorder traversal.
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48 / 50

Explain practical implementation of stack
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49 / 50

Find the loop in the linked list and find the length of the loop which you have found in the linked list, Time Complexity, Space Complexity.
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50 / 50

What is binary tree?
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Operating System, Data Structure are some of the topics which will find the place in almost every interview, as they serve as the base and are a must especially for freshers. Also, a good subject to learn algorithms, storing methodologies, maintaining the quality and optimal time of the code and much more for college students.

The collection of Interview Question for Data Structure - Q4Interview questions here helps you to do that and much more. Learn and test your knowledge through the mock tests. Giving an interview, need some quick questions to review, WE HAVE GOT YOUR BACK!!, just save the questions to your personalized reading list using TO READING LIST and see through them anytime anywhere you want.
All questions here are based on the real time experience of previous candidates and have been asked in various IT Companies interviews at freshers and Experience level.