HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications.

House Speaker Mike Johnson is standing firm against escalating legal threats from Democrats over the delayed swearing-in of Rep.-elect Adelita Grijalva. Speaking Friday, Johnson called Arizona ...

The current hidden tests do not cover arrays with multiple consecutive zeros between runs of ones. Because of this, some incorrect solutions (like mine) that only merge runs of ones when separated by ...

AI is making ever more jobs obsolete. The solution from Silicon Valley? A universal paycheck, no work required. Technology titans including Elon Musk and Sam Altman see a future flush with wealth ...

A new or late-model car could be one of the most expensive things you ever buy. Make no mention of the parts and systems that break on that increasingly expensive new car purchase. Fortunately, your ...

Seeing a toxic blue-green algae bloom in the St. Johns River has become more common as more pollution flows into the river from toxic sewage sludge. (Photo via the St. Johns RIverkeeper) What is it ...

What is it about Florida’s rivers that makes us humans want to spoil them? The Kissimmee River worked perfectly for centuries, feeding a flow of fresh water into Lake Okeechobee. Then the Army took ...

Even restricting this topic to "production engines," this one's still going to be a tough nut to crack. Some obscure government-backed automaker in a country with a triple-digit population might have ...