The research team suggests that the 2D:4D ratio could provide a quick, non-invasive insight into how well someone might handle endurance training. Checking your ratio is simple: hold your hand out ...

A PriorityQueue is a list that always keeps its items sorted based on some rule, like smallest to largest. So, when you take an item out, you always get the one with the highest (or lowest) priority.

Understanding the HackerEarth setup helps you use the tools and see your progress better. Practicing coding problems, ...