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Explain the difference between stack and queue. Write code to reverse a linked list. Find the longest substring without repeating characters How does quicksort work? Can you implement it? Explain the concept of hash tables and collision handling techniques. Describe the time and space complexity of bubble sort. How would you implement a priority queue?
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Quality Assurance

Interviewed at Cognizant

3.5★
Dec 2, 2024

Explain the difference between stack and queue. Write code to reverse a linked list. Find the longest substring without repeating characters How does quicksort work? Can you implement it? Explain the concept of hash tables and collision handling techniques. Describe the time and space complexity of bubble sort. How would you implement a priority queue?

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