Execute Asynchronous Functions in Parallel — LeetCode 2721 Python Solution

MediumJavaScript
Problem
#2721
Reading time
2 min

The problem

Given an array of asynchronous functions functions, return a new promise promise. Each function in the array accepts no arguments and returns a promise.

Example

Input
functions = [
Output
{"t": 200, "resolved": [5]}
Explanation
promiseAll(functions).then(console.log); // [5]

Complexity

MeasureComplexity
TimeO(n)
SpaceO(1) to O(n) auxiliary

Related problems

Frequently asked questions

How hard is LeetCode 2721. Execute Asynchronous Functions in Parallel?
LeetCode 2721. Execute Asynchronous Functions in Parallel is rated Medium on LeetCode.
What topics does LeetCode 2721. Execute Asynchronous Functions in Parallel cover?
LeetCode 2721. Execute Asynchronous Functions in Parallel is tagged JavaScript on LeetCode.

Stuck on problems like this in a live interview?

Stealth Interview is a desktop app for macOS and Windows. It reads the problem off your screen and returns a working solution with a step-by-step explanation and its time and space complexity — invisible to screen sharing.

Get Stealth Interview