Activity for CrSb0001‭

Type	On...	Excerpt	Status	Date
Edit	Post #293098	Post edited:	—	about 2 months ago
Comment	Post #293001	It's been added. I also have an answer to the question if you want to try cracking that (more)	—	about 2 months ago
Edit	Post #293001	Post edited:	—	about 2 months ago
Comment	Post #293001	That's fair. I'll change it (more)	—	about 2 months ago
Edit	Post #293098	Initial revision	—	about 2 months ago
Answer	—	A: Abstract Rewriting Systems (Cops) Score: 114 ``` ========== =Alphabet= ========== ACDEIOST+ =============== =Source string= =============== ACDEIOST+ =============== =Target string= =============== SE+CODIDACT =============== =Rewrite rules= =============== AC:CA AD:+++ CA:CO CD:DC CS:SE++ CT:ACT ECS:SCE ... (more)	—	about 2 months ago
Comment	Post #293001	No, that would not be the intention. The intention was to show an example of an impossible puzzle using the example from Wikipedia, originally stated in 1979 along with being first published in 1980. If you want though I can add another example of impossibility. (more)	—	about 2 months ago
Comment	Post #293001	`x` and `y` are considered here to be placeholder strings, made up of letters in `{M,I,U}`. Also, with these new rewrite rules, we lose the important aspect of the (original) MU puzzle that we are allowed to duplicate any string that comes after an `M`. (more)	—	about 2 months ago
Comment	Post #293089	Oh, okay. That makes sense (more)	—	about 2 months ago
Edit	Post #293089	Post edited:	—	about 2 months ago
Comment	Post #293089	>Most challenges require fine tuning, so I post mine in the Sandbox category to avoid any answers arriving until the wording is free of potential ambiguity. ...what's wrong with not posting it in the sandbox? >Does this mean that you are permitted to return only one permutation of each quintupl... (more)	—	about 2 months ago
Comment	Post #293089	>Does "multiple arrays" refer to multiple quintuplets? Why wouldn't it? I'm basically saying "multiple arrays [of distinct quintuplets". >Does this mean "for each pair of quintuplets, each quintuplet must have at least 2 elements not present in the other", or the stronger "for each quintuplet, ... (more)	—	about 2 months ago
Edit	Post #293089	Initial revision	—	about 2 months ago
Question	—	Find all unique quintuplets in an array that sum to a given target Inspiration: Leetcode's [3Sum] linkLink on CG&CC >### Problem > >Given an array `nums` of `n` (not necessarily distinct) integers, and given a target number `target`, return an array of all of the unique quintuplets `[nums[a],nums[b],nums[c],nums[d],nums[e]]` such that the following conditions a... (more)	—	about 2 months ago
Edit	Post #293002	Post edited:	—	3 months ago
Edit	Post #293001	Post edited:	—	3 months ago
Edit	Post #293002	Initial revision	—	3 months ago
Question	—	Abstract Rewriting Systems (Robbers) This is somewhat of a [proof-golf]-like [cops-and-robbers]. This is the robbers' thread; the cops' thread can be found here. Sections: > Robbers > Determining a winner Robbers The cops will be posting abstract rewriting systems in their thread. Your task is to prove that a given cop's target... (more)	—	3 months ago
Edit	Post #293001	Initial revision	—	3 months ago
Question	—	Abstract Rewriting Systems (Cops) This is somewhat of a [proof-golf]-like [cops-and-robbers]. This is the cops' thread; the robbers' thread is here Sections: > Cops > Scoring > What is a rewrite rule? > An example > An example of impossibility > Determining the winner Cops Your task is to create an abstract rew... (more)	—	3 months ago
Edit	Post #291377	Initial revision	—	9 months ago
Question	—	Tips for golfing in Emmental Also posted here on CodeGolf.SE Brief introduction to Emmental: - Emmental is a self-modifying programming language defined by a meta-circular interpreter. It is a stack based language, but also has a queue. It was created by Chris Pressey in 2007. This is a list of golfing tips for the progra... (more)	—	9 months ago