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2022年7月28日 #

LeetCode 33 Search in Rotated Sorted Array 二分

摘要： There is an integer array nums sorted in ascending order (with distinct values). Prior to being passed to your function, nums is possibly rotated at a 阅读全文

posted @ 2022-07-28 22:20 Blackzxy 阅读(20) 评论(0) 推荐(0) 编辑

LeetCode 34 Find First and Last Position of Element in Sorted Array lower_bound & upper_bound

摘要： Given an array of integers `nums` sorted in non-decreasing order, find the starting and ending position of a given target value. If target is not foun 阅读全文

posted @ 2022-07-28 16:26 Blackzxy 阅读(10) 评论(0) 推荐(0) 编辑

LeetCode 190 Reverse Bits [classic] 思维

摘要： Reverse bits of a given 32 bits unsigned integer. Input: n = 11111111111111111111111111111101 Output: 3221225471 (10111111111111111111111111111111) Ex 阅读全文

posted @ 2022-07-28 15:00 Blackzxy 阅读(9) 评论(0) 推荐(0) 编辑

LeetCode 103 Binary Tree Zigzag Level Order Traversal 双端队列 Deque

摘要： Given the root of a binary tree, return the zigzag level order traversal of its nodes' values. (i.e., from left to right, then right to left for the n 阅读全文

posted @ 2022-07-28 04:26 Blackzxy 阅读(13) 评论(0) 推荐(0) 编辑