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= ...
report this error error=err_sql_execution, error_description=Error 1062: Duplicate entry 4 for key unique_persontype ? And there are five such errors Let the figure Code: < template > < div align= "center " > <h3 align="center&quo...
see that many people misunderstand that it has been sent 10 times at a time, which is added like this: if the user can click the button continuously and send a request one time at a time, a li, will be generated after each response result. Because of ...
init : $watch : define in this way, the speech length has always been the initial value, and there is no change ...
Today I saw a line of code in the project: foreach ($groupInfo as $k=>$v) { $groupInfo[$k][ gIsOpen ] = false || ($a < $b); } to be honest, I ve never seen this kind of writing before. Who can explain this line of code in foreach? ...
how do shopping stations and video stations guess your favorite functions? ...