Tag
string
11 posts tagged with string.
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A WordDictionary implementation using a Trie for storage and DFS for wildcard search
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A Python stack solution that validates bracket type and closing order
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How fixed lengths, terminators, length prefixes, and HTTP chunks define data boundaries
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A Python dynamic programming solution for checking whether a string can be segmented by a word dictionary
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Encoding and restoring a list of strings by recording each string's length and a delimiter
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Grouping anagram strings by using each sorted string as the hash map key
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A Python DFS and backtracking solution that marks visited board cells in place
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A Python recursion and memoization solution that counts valid one-digit and two-digit decodings
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A two-pointer Python solution for checking palindromes after normalizing alphanumeric characters
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A comparison of sorting and character counting for the Valid Anagram problem.
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A Codeit AI Engineer Sprint pre-course note on dictionary view objects, string immutability, and Python indexing