I have an array of object that look this, const data = [ { key: "id1", name: "Category 1", curr: 0, total: 0, nodes: [ { key: "id2", name: "Applications", curr: 20, total: 30, nodes: [ { key: "id3", name:…
Why does this recursive function work? let arr = [] function rep(x, n) { if (Math.sign(x) === -1) { return [] } if (x < 1) { return 1 } else { rep(x - 1, n) } arr.push(n) return arr…
I have an array with an unknown amount of nested arrays. I have a number that I am looking for N, and a number to see if it is present K amount of times. I need to use recursion to…
I have a multidimensional array with parent-child relationships and I want to flatten its data into a 2d array of the scalar data from each level using recursion. [ 'children' => [ [ 'id' => 123, 'title' => 'test', 'children'…
EDIT: it seems that this code snippet works, but in visual studio it doesn't work, i don't know why this program takes a command line argument "c" and it has to approximate pi using the recursive formula, #include <stdio.h> #include…
I need a refresher on traversing trees. I'm about to start interviewing, and tech interviewers LOVE to give binary tree questions. This one is a practice question from Hired.com. (I wouldn't dare ask for this on an actual interview question…
I am relatively new to JavaScript and i can't wrap around my head on how this code is executing function foo(i) { if (i < 0) { return; } console.log(`begin: ${i}`); foo(i - 1); console.log(`end: ${i}`); } foo(3); the output…
i have array: [ {id: 1, name: 'Parent1'}, {id: 2, name: 'Child1', parent: {id: 1, name: 'Parent1'}}, {id: 3, name: 'Child2', parent: {id: 1, name: 'Parent1'}}, {id: 4, name: 'GrandChild1', parent: {id: 3, name: 'Child2'}}, {id: 5, name: 'GrandChild2', parent:…
function playerSelection() { let choice = prompt("Enter you choice."); while(choice != "rock" && choice != "paper" && choice != "scissor"){ alert("Wrong entry"); playerSelection(); } return choice; } This code works just fine until you enter a string that makes the…
Could you please help me to build a html document by nested classes? My main aim is to build a string with html markup like this <html> <div> <p>123</p> <div> <div> 123 <a>123</a> </div> </div> </div> </html> I have a…