Zanelc101. Symmetric TreeGiven the root of a binary tree, check whether it is a mirror of itself (i.e., symmetric around its center).Feb 28Feb 28
Zanejs 30: 2723. Add Two PromisesGiven two promises promise1 and promise2, return a new promise. promise1 and promise2 will both resolve with a number. The returned promise…Jan 24Jan 24
Zanejs 30:2666. Allow One Function CallGiven a function fn, return a new function that is identical to the original function except that it ensures fn is called at most once.Jan 24Jan 24
Zanejs 30: 2703. Return Length of Arguments PassedWrite a function argumentsLength that returns the count of arguments passed to it.Jan 24Jan 24
Zanejs 30: 2629. Function CompositionGiven an array of functions [f1, f2, f3, ..., fn], return a new function fn that is the function composition of the array of functions.Jan 23Jan 23
Zanejs30: 2634. Filter Elements from ArrayGiven an integer array arr and a filtering function fn, return a filtered array filteredArr.Jan 23Jan 23