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leetcode 36. Valid Sudoku 问题描述 Determine if a Sudoku is valid, according to: Sudoku Puzzles The Rules. The Sudoku board could be partially filled, whe 阅读全文
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问题描述 Given an array of integers sorted in ascending order, find the starting and ending position of a given target value. Your algorithm's runtime com 阅读全文
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问题描述 Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., might become ). You are given a target valu 阅读全文
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问题描述 You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in s that is a 阅读全文