Write a code to construct a tree. It should get a string and generate related tree.
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Write an algorithm to determine if all of the delimiters in an expression are matched and closed.{(abc)22}[14(xyz)2] should pass [ { ] } should fail { (x) } [ should fail
Compare 2 different strings which only differ in one bit, and analyze the time and space complexity of your algorithms. Follow up: two strings are very long so that we do not have enough space for the hashmap.
Return k smallest element in a tree
given rand5() that return 1-5 uniformly produce rand7() that returns 1-7 uniformly
2.Write a C/C++ program to compute sum of N numbers.
Given a restaurant menu and a budget, output all the possible ways to use up the budget.
You have a sentence with several words with spaces remove and words having their character order shuffled. You have a dictionary. Write an algorithm to produce the sentence back with spaces and words with normal character order.
Given a binary tree, print out the whole tree by levels
Do you need to use the restroom?
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