Also known as the 3n+1 and n / 2 problem. Basically if a given number is odd, multiply it by 3 and add 1. If it is odd, divide it by two. Repeat these steps until it reaches 1. This started as a ...

Notifications You must be signed in to change notification settings Also known as the 3n+1 and n / 2 problem. Basically if a given number is odd, multiply it by 3 and add 1. If it is odd, divide it by ...

Written in Rust, the PyApp utility wraps up Python programs into self-contained click-to-run executables. It might be the easiest Python packager yet. Every developer knows how hard it is to ...

我要你选一个正整数。任意一个都可以——你可以自由选择。如果你选的是奇数，就把它乘以 3，再加 1。如果是偶数，就把它减半。取得结果并重复这个过程。实际上，我想让你一直重复，直到你陷入循环。 例如，如果你的数字是 7，你首先要乘以 3，再加 1 ...

Imagine that someone gives you a list of five numbers: 1, 6, 21, 107 and — wait for it — 47,176,870. Can you guess what comes next? If you’re stumped, you’re not alone. These are the first five busy ...

Department of Ecology and Evolutionary Biology, University of California, Irvine, CA, USA Climate warming is likely to increase the frequency and severity of forest disturbances, with uncertain ...