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A language empowering everyone to build reliable and efficient software. 阅读全文
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目录What is AI?The main takeawayDeep learningThe type of AIGeneral AINarrow AIHow to build AIExpert systemsTree searchThe tasks of Machine learningClass 阅读全文
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# 记录51MCU学习过程： ## 51MCU **心得体会：** 学习过程中使用的普中51单片机开发学习板子，结合B站江协科技的51入门视频进行学习; 本人体会开发过程中，首先是要要搞清楚原理，可以通过Datasheet来了解芯片的功能，及通信协议时序的规定，还有信号状态切换需要的最小Delay时 阅读全文
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Given the root of a binary tree, return its maximum depth. A binary tree's maximum depth is the number of nodes along the longest path from the root n 阅读全文
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Given the root of a binary tree, check whether it is a mirror of itself (i.e., symmetric around its center). ```python class Solution(object): def isS 阅读全文
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Given the roots of two binary trees p and q, write a function to check if they are the same or not. Two binary trees are considered the same if they a 阅读全文
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Given the root of a binary tree, return the inorder traversal of its nodes' values. Example 1: ``` Input: root = [1,null,2,3] Output: [1,3,2] ``` Exam 阅读全文
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You are given two integer arrays nums1 and nums2, sorted in non-decreasing order, and two integers m and n, representing the number of elements in num 阅读全文
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Given the head of a sorted linked list, delete all duplicates such that each element appears only once. Return the linked list sorted as well. **Examp 阅读全文
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You are climbing a staircase. It takes n steps to reach the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb 阅读全文
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Given a non-negative integer x, return the square root of x rounded down to the nearest integer. The returned integer should be non-negative as well. 阅读全文
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Given two binary strings a and b, return their sum as a binary string. **Example 1:** ``` Input: a = "11", b = "1" Output: "100" ``` **Example 2:** `` 阅读全文
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You are given a large integer represented as an integer array digits, where each digits[i] is the ith digit of the integer. The digits are ordered fro 阅读全文
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Given a string s consisting of words and spaces, return the length of the last word in the string. A word is a maximal substring consisting of non-spa 阅读全文
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Given a sorted array of distinct integers and a target value, return the index if the target is found. If not, return the index where it would be if i 阅读全文