in this question, you can AC with the following code: the time timeout is finally displayed. What is the reason for asking all the bosses? Is it true that one more comparison will time out, or is there something wrong with the program itself? ...
topic description similar to the problem of N SUM, the idea comes from a small task encountered in the work, abstracted out: has m items, and gives the unit price of each item, P1 br P2, P3 br. Now there are n orders, and the total amount of each ord...
use JS to LeetCode, to question 6 ZigZag Conversion report an error TypeError: Cannot read property push of undefined ** * @param {string} s * @param {number} numRows * @return {string} * var convert = function(s, numRows) { var rowArra...
scan leet-code algorithm questions online. Sometimes you don t know how to debug when something goes wrong. For example, this question: merging two ordered linked lists the code template is as follows: ** * Definition for singly-linked list. *...
public TreeNode buildTree(int[] preorder, int[] inorder) { if (preorder == null || inorder == null) { return null; } HashMap<Integer, Integer> map = new HashMap<>(); for (int i = 0; i < inord...
there is a problem with the longest common prefix on leetcode. I want to solve it in a different way, but what I typed is: fl fl flo Why does print have three results? class Solution: def inter_prefix(self,strs=list,minPrefix=str): if minPref...
1. Doing exercises on leetcode, the fifth question, using the central enumeration method. 2. Refer to this blog post: https: blog.csdn.net asd1369.3. The second method used, other code can understand, I directly posted the question code: x= ...
like the following code: class Test(object): __instance = None def __new__(cls, *args, **kwargs): if cls.__instance: return cls.__instance else: return object.__new__(cls) def __init__(self, value):...
problem description I want to check out all the selected files, but I can only check out one at a time. the environmental background of the problems and what methods you have tried related codes Please paste the code text below (do not repla...
A newly initialized project configures routing and modifies each component to distinguish them, but it is found that each path enters the component HelloWorld . Is there something wrong with this configuration? import Vue from vue import Route...
now make an H5 page and want to get the background of the ant forest and the material of the trees. are there any tools and methods to get the element material like F12 ...
Does the js function split a heap memory every time it is run? ...