Why is quicksort unstable?


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More Data Structures Interview Questions

I am given a sequential algorithm that does a routine search on an unordered list. N = 20. The probability that the value x does NOT appear in the list is exactly 60%, and the probability that x DOES appear is 40%. The 3 questions that I could not get were: A) What is the avg number of element comparisons performed when n = 20 and x does NOT appear in the List. (my answer was 20, is this correct?) B) What is the avg number of element comparisons peformed when n = 20 and x DOES appear in the list? C) What is the avg number of element comparisons performed when n = 20. This should be a single number answer they said.

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What is different between array and list?

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Model a data structure for a DFA that takes an event as parameter and performs a desired action.

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What is arraylist load factor?

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What is data type in data structure?

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How is hashmap o 1?

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Write the stack overflow condition.

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Difference between arrays and linked list?

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Can list contain null values?

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How to create your own data structure in java?

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Is list same as array?

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Define degree of the node?

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