Lowest Common Ancestor (BST)

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Ayush Yadav on Instagram: "This is what I have learned from my experience after practising 1200’s DSA questions. Google might have 2,000+ coding questions in their interview bank, but every single one boils down to the same 50 core DSA patterns. Microsoft might pull from a pool of 2,500 unique coding problems, but if you master the patterns, the company or question doesn’t matter. That’s why If you go on mastering interview questions, you might be prepared for single company in 2 years effort. B