So I have two array of objects: and the expected result is: This is just two examples out of thousands of data, I have tried mapping through two arrays and inserting them manually however this would always result in a timeout since I think looping is quite heavy on the backend server. Is there an efficient way to do such
Tag: algorithm
LeetCode Remove Nth Node From End of List – Linked List [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 9 months ago. Improve this question I came across this answer on LeetCode for the “Remove Nth Node From
Deep find object in tree, then return object and the path to it through the tree
I’ve written a recursive function to find a given object and the path within that tree, but when I change the target id (over here : if(tree.targetModuleId === 7)) to 10 I got error: “message”: “Uncaught TypeError: Cannot read properties of undefined (reading ‘unshift’)” I supposed to get the path: [1,2,5,6,10]. In the end I need the option that no
What will be Time Complexity if we use include function inside the some function of array
As we know that Array.prototype.some() and Array.prototype.includes() has time complexity of o(n). Now I want to know that what if I will use include inside some method. The time complexity will be linear or quadratic? Answer It’s O(mn), where m is arr1.length and n is arr2.length.
looping through an array of objects that contains three key, value pairs
I have these objects, which could be in an array, like in the example or a database: I want to subtract a total of { “points”: 5000 } as an example from the points values of these objects starting with the oldest points based on timestamp, keep in mind no payer’s points to go negative. then I want to return
How to get the same value from 2 different arrays
Hi! There are two different arrays and I want to compare two arrays and find the id of selected animals from the zoo. How do I get the array of ids? Also, the id has to be a string. Thank you Answer Make a look-up table that gives the ID for each name, then use this to get the IDs
JavaScript – Promise.allSettled + Array.reduce()
Introduction Imagine this method for getting the language of a user: Now, I am trying to group the language of multiple users, performing a parallel request: Problem But my implementation is not working: How can I do for getting an output like using the Promise.allSettled combined with .reduce? Answer Your .reduce is constructing an object where each value is a
Creating a Logarithm Scale with Min, Max and Discrete “steps”
I’m building a scale for generating colors for a map, where various ranges of numbers correspond to colors. In the scale below, the a, b, and c values (along with the min and max) form “steps” or “buckets” corresponding to colors. Anything between -1 and min will be colored “#ffeda0 in this example, and anything between min and a will
question regarding max value in an array with recursion in JavaScript
Currently, I was able to get the following function to retreive the max value from an array through recursion However, when I try to refactor it with an extra parameter “b” through destructuring, the whole function just won’t work properly anymore. Can someone kindly explain what I am doing wrong or point me in the right direction. I am new
filter an array of objects in javascript, with siblings that match on a common key value
Suppose I have a javascript array of objects that looks like this: Now, suppose that I have a search string, like “War” or “and”. I want to get an array of objects where “title” contains the search string (case insensitive), but I want to ALSO include any sibling values with matching “copyversion” values. For example: Search string of “Great” should