YouTube Excerpt: Here is a step by step explanation of a popular Google question involving the use of a stack called "Validate Stack Sequences" on LeetCode. This problem is of medium difficulty and the goal of the problem is to see if after taking in two separate arrays "pushed" and "popped" determining if we can perform the push and pop operations in a particular order. By the end of performing both of the push and pop operations on all of the elements in our arrays, we return true from our function if our stack is empty. The time and space complexity of this optimized solution is linear, where N is the size of either our "pushed" or "popped" array. Our arrays will always be the same length, so O(N) is the final runtime and space time. Check out my interview prep platform for learning the patterns! 📢 Interview Prep Platform: https://algoswithmichael.com 🎧 Join the community Discord: https://discord.gg/aVWsAaaCtT 💰 Support me on Patreon: https://www.patreon.com/michaelmuinos 🔗Follow me on LinkedIn: https://www.linkedin.com/in/michael-muinos 📂Follow me on Github: https://github.com/MichaelMuinos
Here is a step by step explanation of a popular Google question involving the use of a stack called "Validate Stack Sequences" on LeetCode. This...
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