This site uses different types of cookies, including analytics and functional cookies (its own and from other sites). To change your cookie settings or find out more, click here. If you continue browsing our website, you accept these cookies.
We've recently made an accessibility improvement to the community and therefore posts without any content are no longer allowed. Please use the spoiler feature or add a short message in the message body in order to submit your weekly challenge.
We are currently experiencing an issue with Email verification at this time and working towards a solution. Should you encounter this issue, please click on the "Send Verification Button" a second time and the request should go through. If the issue still persists for you, please email email@example.com for assistance.
A solution to last week's challenge can be found here.
This week's challenge was submitted by @Qiu - thanks for your submission!
Stuff! We all buy stuff, and sometimes we buy multiple stuffs. You might even go so far as to say we buy quantities of stuff. But beware, businesses also buy stuff and usually in larger quantities than individuals. And since they are businesses, they keep records of the stuff they buy and even analyze those records on occasion…
The input file for this week’s challenge contains some historic orders of two different materials. Determine the Greatest Common Denominator (GCD) of the past orders for each material to better understand any potential patterns.