Search a word in a grid

Q: Search a word in a grid

This is a Coding & Algorithms interview question from PayPal for Machine Learning Engineer roles. View the full question and solution on PracHub.

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Coding & Algorithms questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master coding & algorithms interviews.

Question

Given a 2D grid of characters and a target word, determine if the word can be traced by moving up, down, left, or right, using each cell at most once. Describe an algorithm, analyze its time and space complexity, and discuss pruning or iterative improvements.

Search a word in a grid

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