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Can you solve this real interview question? Minimum Window Substring - Given two strings s and t of lengths m and n respectively, return the minimum window substring of s such that every character in …

Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

Can you solve this real interview question? Interleaving String - Given strings s1, s2, and s3, find whether s3 is formed by an interleaving of s1 and s2. An interleaving of two strings s and t is a …

1. Please don't post any solutions in this discussion. 2. The problem discussion is for asking questions about the problem or for sharing tips - anything except for solutions. 3. If you'd like to share your …

Given the root of a binary tree and an integer targetSum, return the number of paths where the sum of the values along the path equals targetSum. The path does not need to start or end at the root or a …

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Can you solve this real interview question? Assign Cookies - Assume you are an awesome parent and want to give your children some cookies. But, you should give each child at most one cookie. Each …