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题目描述 Given a 2D board and a word, find if the word exists in the grid. The word can be constructed from letters of sequentially adjacent cell, where " 阅读全文
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题目描述 Given preorder and inorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in the tree. For exa 阅读全文
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题目描述 Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward. Example 1: Input: 121 Output 阅读全文
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题目描述 Implement atoi which converts a string to an integer. The function first discards as many whitespace characters as necessary until the first non 阅读全文
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学习了扁扁熊的题解:https://leetcode cn.com/problems/median of two sorted arrays/solution/4 xun zhao liang ge you xu shu zu de zhong wei shu/ 记录一下,顺便按自己的理解给代码加上 阅读全文