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题目：Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given[100, 4, 200, 1, 3, 2],The longe... 阅读全文
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题目：Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a number.An example is the root-to-leaf path1->2->3which ... 阅读全文
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题目：Given a 2D board containing'X'and'O', capture all regions surrounded by'X'.A region is captured by flipping all'O's into'X's in that surrounded reg... 阅读全文
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题目：Given a strings, partitionssuch that every substring of the partition is a palindrome.Return all possible palindrome partitioning ofs.For example, ... 阅读全文
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题目：Given a strings, partitionssuch that every substring of the partition is a palindrome.Return the minimum cuts needed for a palindrome partitioning ... 阅读全文
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题目：Clone an undirected graph. Each node in the graph contains alabeland a list of itsneighbors.OJ's undirected graph serialization:Nodes are labeled u... 阅读全文
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题目：There areNgas stations along a circular route, where the amount of gas at stationiisgas[i].You have a car with an unlimited gas tank and it costsco... 阅读全文
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题目：There areNchildren standing in a line. Each child is assigned a rating value.You are giving candies to these children subjected to the following re... 阅读全文
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题目： Given an array of integers, every element appearstwiceexcept for one. Find that single one.Note:Your algorithm should have a linear runtime comple... 阅读全文
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题目： Given an array of integers, every element appearsthreetimes except for one. Find that single one. Note: Your algorithm should have a linear run... 阅读全文