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Visual solution to sample question #5

Visual solution to sample question #5: Get Ready for Your Coding Interview
Visual solution to sample question #5: Get Ready for Your Coding Interview

With an optimal solution, you should be able to pass through the given array/Python list once to solve this problem, giving you a O(n) run time. Discover the key here is to use a dictionary or a hash table to keep track of which numbers you've seen so far

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Skill Level Intermediate
1h 51m
Duration
34,082
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Skills covered in this course
Developer Programming Foundations

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