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Rolling-Hash

Matrix Block Sum Problem

November 14, 2023 · 3 min · array · binary-tree · breadth-first-search · depth-first-search · hash-function · leetcode · math · matrix · prefix-sum · rolling-hash · string · tree · trie

Rabin-Karp Algorithm Explained

April 14, 2023 · 9 min · string · todo · hashing · string-algo · pattern-matching · rolling-hash · hashing/rolling

Rearrange Array Elements by Sign Problem

July 4, 2022 · 2 min · alternate · array · backtracking · bit-manipulation · bitmask · counting · database · duplicates-algo · dynamic-programming · enumeration · geometry · hash-function · hash-table · leetcode · math · rearrange-array · rolling-hash · simulation · sliding-window · sorting · string · two-pointers · union-find

Count number of bits to be flipped to convert A to B

April 3, 2022 · 2 min · array · binary-search · binary-tree · bit-manipulation · bits · combinatorics · count · counting · ctci · database · design · dynamic-programming · enumeration · graph · greedy · hash-function · hash-table · heap-priority-queue · leetcode · math · prefix-sum · rolling-hash · simulation · sorting · string · string-matching · suffix-array · tree · trie · two-pointers · xor

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