Algorithms Interview Questions For Freshers

What are the characteristics of a good algorithm?

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What is an algorithm?

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Explain the difference between an algorithm and a program.

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What are the basic types of algorithms?

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Describe the process of analyzing an algorithm's time complexity.

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What is the Big O notation used for?

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What is a linear search algorithm?

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Explain the concept of recursion.

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What is a sorting algorithm?

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Explain bubble sort algorithm.

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Explain merge sort algorithm.

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What is a binary search algorithm?

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Explain quicksort algorithm.

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Algorithms Intermediate Interview Questions

What is the time complexity of bubble sort?

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Explain selection sort algorithm.

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Explain insertion sort algorithm.

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What is the time complexity of merge sort?

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What is the time complexity of binary search?

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Explain the concept of memoization in dynamic programming.

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What is the difference between a stable and an unstable sorting algorithm?

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Explain the concept of dynamic programming.

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What are some common data structures used in algorithms?

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How is the time complexity of an algorithm different from its space complexity?

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What is an asymptotic analysis?

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What is the worst-case time complexity of a linear search?

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Explain the concept of space complexity in algorithms.

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Algorithms Interview Questions For Experienced

Explain the concept of randomized algorithms.

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What is the best-case time complexity of a bubble sort?

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What is the time complexity of selection sort?

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What is the time complexity of insertion sort?

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What is the best-case time complexity of merge sort?

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What is the best-case time complexity of binary search?

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Compare and contrast quicksort and mergesort algorithms.

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Explain the concept of divide and conquer algorithms.

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What is the time complexity of a binary search tree?

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Explain the concept of NP-complete problems.

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What is the time complexity of dynamic programming algorithms?

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What is the time complexity of randomized algorithms?

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