Linked Questions

From Wikipedia Set-theoretic definition of natural numbers The set N of natural numbers is defined as the smallest set containing 0 and closed under the successor function S defined by S(n) = n ∪ ...

Challenge In this challenge, you are to code in any language a program or function that will take a string and replace certain characters within it with different characters. Input The input is the ...

How well do you know the site? Let's find out. This is a cops-and-robbers challenge. Cop's thread. As a robber, you need to: Find a non-deleted, non-closed challenge that matches a cop's ...

Task Print 0 if an n*m maze cannot be solved Print 1 if an n*m maze can be solved (in 1 or more ways) (so I'm not asking for ...

Recently, the PPCG design leaderboard has been having some trouble parsing answer html headers. In this challenge you'll be taking your own shot at parsing answer headers. Example Test Cases These ...

For this challenge, you need to compress a diff. A diff is some data that represents the difference between two strings. For this challenge, you need to provide one or more programs that can: Input ...