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503. Next Greater Element II 503. Next Greater Element II Given a circular array (the next element of the last element is the first element of the arr 阅读全文
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526. Beautiful Arrangement 526. Beautiful Arrangement Suppose you have N integers from 1 to N. We define a beautiful arrangement as an array that is c 阅读全文
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524. Longest Word in Dictionary through Deleting 524. Longest Word in Dictionary through Deleting Given a string and a string dictionary, find the lon 阅读全文