摘要：
https://leetcode.com/problems/search-a-2d-matrix/Write an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following ... 阅读全文
摘要：
https://leetcode.com/problems/plus-one/Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored suc... 阅读全文
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https://leetcode.com/problems/search-in-rotated-sorted-array-ii/ Follow up for "Search in Rotated Sorted Array":What if duplicates are allowed? Would 阅读全文
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https://leetcode.com/problems/search-in-rotated-sorted-array/Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5... 阅读全文
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https://leetcode.com/problems/rotate-image/You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Cou... 阅读全文