BST, String, and recursion questions
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check if an array is monotonic/ given a string with number and operation symbols(only plus and multiply signs), output the result
Invalid parenthesis
Some of the questions were vague yet i could tell they were looking for something specific. Didn't come right out and ask.
HashMaps, storage/time tradeoffs, streams, etc.
What's the difference between security and privacy?
Print out the level order traversal on a binary tree.
Find the minimum window in string S which will contain all the characters in string T
1. Kth largest number in an array. They do a lot of follow up. I gave him the perfect solution with min heap. Then he said if the K was large how to optimize space, I gave him solution with quickselect. Make sure to know time and space complexity well. 2. Valid binary search tree check. I have given him the solution with two range checking and recurrence. He told me to optimize with only one value.
AWS , Linux , networking , CI/CD
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