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Google Interview Problems (173)

Problems reported from Google data science interviews

Status	Title	Difficulty	Language	Company	Topic
	Positional Encoding in Transformers Pro	Medium	Conceptual	Google OpenAI DeepMind	neural-networks
	POS Tagging Purpose Pro	Medium	Conceptual	Google Microsoft	nlp
	Precision vs Recall Pro	Medium	Conceptual	Google Meta	machine-learning
	Products Above Category Average Pro	Medium	SQL	Amazon Google Stripe	subqueries
	Quicksort Worst Case Pro	Medium	Conceptual	Google Stripe	computer-science
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	Random Search vs Grid Search Pro	Medium	Conceptual	Google Meta DeepMind	machine-learning
	Rank Employees by Hire Date Within Department Pro	Medium	SQL	Google Meta Airbnb	window-functions
	Search in Rotated Sorted Array Pro	Medium	Python	Amazon Uber Google	sorting
	Self-Attention in Transformers Pro	Medium	Conceptual	Google OpenAI Anthropic	neural-networks
	Self-Attention Mechanism Pro	Medium	Conceptual	Google DeepMind OpenAI	llms
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	Seq2Seq Architecture Pro	Medium	Conceptual	Google ByteDance	nlp
	Sieve of Eratosthenes Pro	Medium	Python	Google Citadel DE Shaw	math
	Simple CTE for Readability Pro	Medium	SQL	Google Meta Databricks	ctes
	Skip Connections in ResNets Pro	Medium	Conceptual	Google Meta NVIDIA	neural-networks
	Sliding Window Maximum Pro	Medium	Python	Amazon Google	arrays
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	Students, Courses, and Their Instructors Pro	Medium	SQL	LinkedIn Coursera Google	joins
	SVM Kernel Selection Pro	Medium	Conceptual	Google Apple NVIDIA	machine-learning
	Topic Modeling with LDA Pro	Medium	Conceptual	Bloomberg Google	nlp
	Trie Data Structure Pro	Medium	Conceptual	Google Apple	computer-science
	t-SNE vs PCA for Visualization Pro	Medium	Conceptual	Spotify Google Meta	machine-learning
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	Vector Databases for RAG Pro	Medium	Conceptual	Pinecone Databricks Google	llms
	Word Embeddings vs One-Hot Encoding Pro	Medium	Conceptual	Google Meta	nlp
	Working with Engineering Teams Pro	Medium	Conceptual	Google Microsoft	culture-fit
	Xavier Weight Initialization Pro	Medium	Conceptual	DeepMind Google Meta	neural-networks
	AdaGrad Limitations Pro	Hard	Conceptual	Google DeepMind NVIDIA	neural-networks
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