If you’ve ever searched for ways to practice coding or prep for tech interviews, you’ve probably seen LeetCode mentioned everywhere. But in 2025, is LeetCode free, or do you have to pay to get ...

LeetCode focuses mainly on algorithms, while data science requires skills like SQL, statistics, and working with real data. Different platforms offer various ways to prepare, from building portfolios ...

Work with the best people and never lose your passion for the job! These days, companies do not care about an Ivy League college degree, years of experience, employment gaps, and age - unless you go ...

Use this table to add any interesting questions you encounter during the challenge.

we have a swipe table which keeps track of the employee login and logout timings. 1. Find out the time employee person spent in office on a particular day (office hours = last logout time - first ...