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[LintCode] Happy Number - Road to Glory
2024-02-10ProblemWriteanalgorithmtodetermineifanumberishappy.
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[LeetCode]Graph Valid Tree - EpoTalk
2024-02-06Givennnodeslabeledfrom0ton-1andalistofundirectededges(eachedgeisapairofnodes),writeafunctiontocheckwhethertheseedgesmakeupavalidtree.
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[Leetcode] Isomorphic Strings 同构字符串
2024-01-23Giventwostringssandt,determineiftheyareisomorphic.