摘要：
You are given two arrays (without duplicates) nums1 and nums2 where nums1’s elements are subset of nums2. Find all the next greater numbers for nums1' 阅读全文
posted @ 2020-06-24 22:21
Schwifty
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摘要：
The gray code is a binary numeral system where two successive values differ in only one bit. Given a non-negative integer n representing the total num 阅读全文
posted @ 2020-06-24 09:39
Schwifty
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Two elements of a binary search tree (BST) are swapped by mistake. Recover the tree without changing its structure. Example 1: Input: [1,3,null,null,2 阅读全文
posted @ 2020-06-24 05:03
Schwifty
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