Validate Stack Sequences | Live Coding with Explanation | Leetcode - 946

This video explains the greedy approach to solve the question using a Stack.
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[@AlgorithmsMadeEasy]

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[@csalgorithms232]

very clean explanation. thanks

[@AlgorithmsMadeEasy]

Glad it was helpful!

[@moezzzz9341]

beautiful solution and so easy to understand. thank you so much!

[@AlgorithmsMadeEasy]

Glad you liked it!

[@pubamx]

Good approach. I believe we could have an O(1) space solution using an additional pointer for tracking the pushed array values instead of the extra space of the Stack. The logic won't change too much, tho. I love this channel, thanks for your work guys.

[@tanishsharma5440]

Thanks 🤟

[@nikhilsisodia9576]

Solution will be 97% faster solution In the end Replace -> return st.empty() to return j == popped.length

[@CRamPrasannaCV]

Understood :-)