## Balanced Parentheses

Check if a string contains properly nested and balanced parentheses, and false if otherwise.

Check if a string contains properly nested and balanced parentheses, and false if otherwise.

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You are given a search string and a magazine.

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Given two binary tree, find if they are identical i.e. same value at the same position & same structure

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Given a singly-linked list, find its middle node.

You have an unordered array X of n integers. Find the array M containing

Design a data structure that allows one to search, insert, and delete an integer

Construct a DS with search, remove and add operations of O(1) in worst case

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Reverse the words in a sentence—i.e., “My name is Chris” becomes “Chris is name My.”

Suppose that we are given a sequence of n values x1, x2, ..., xn and seek to

Find substring match