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Determine if a Cell Is Reachable at a Given Time

medium Solve on LeetCodeLast edited: August 1, 2025

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Method 1 – Chebyshev Distance (King's Move)
Intuition
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array binary-indexed-tree binary-search bit-manipulation breadth-first-search combinatorics counting database depth-first-search dynamic-programming enumeration game-theory graph greedy hash-table leetcode math matrix memoization monotonic-stack number-theory prefix-sum segment-tree simulation sliding-window sorting stack string string-matching tree two-pointers union-find

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