The HackerEarth platform itself is pretty standard for online coding tests. You’ll have a code editor where you write your solution, and usually, there’s a section to run your code against sample test ...

Determining the least expensive path for a new subway line underneath a metropolis like New York City is a colossal planning challenge—involving thousands of potential routes through hundreds of city ...

The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.

Aimee Picchi is the associate managing editor for CBS MoneyWatch, where she covers business and personal finance. She previously worked at Bloomberg News and has written for national news outlets ...

Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in ...

What’s the matter with Germany? I mean the question literally, not as a dismissive piece of rhetoric. It is well known that the country is in a deep industrial malaise: in one recent month, the level ...

The government shutdown caused a panic among recipients, but the monthly budgeting issues go back 50 years and may get worse. By Meghan McCarron The government-shutdown crisis may be coming to an end, ...

Dr. James McCaffrey presents a complete end-to-end demonstration of anomaly detection using k-means data clustering, ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. As he prepared to speak at a panel in Washington last December, Chinese economist Gao Shanwen tapped the ...