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Questions tagged [halting-problem]

For problems pertaining to the whether or not an automaton will halt.

8 votes
6 answers
839 views

Challenge: NSDT is like a calculus model invented by me that contains only 4 commands and grouping. Your task is to check in which way the program ends. The program is read from left to right. There ...
Fmbalbuena's user avatar
  • 5,085
8 votes
5 answers
851 views

makina is a cell-based esolang composed of automata which move around a grid. These automata follow paths of instructions that direct their movement. Your task is to, given a makina program using only ...
Ginger's user avatar
  • 6,098
18 votes
2 answers
493 views

Background Combinatory logic is a system where a term is written using a finite set of combinators and function application between terms, and reduction rules are defined for each combinator. The well-...
Bubbler's user avatar
  • 79.3k
13 votes
2 answers
345 views

Dotcomma is a simple esolang I made a while ago that only uses four operators: [.,]. In this challenge, you'll determine if a dotcomma program consisting only of <...
rydwolf's user avatar
  • 19.3k
12 votes
3 answers
510 views

In the spirit of Solve the Halting Problem for Befinge, let's define another 2D language called Modilar SNISP. Modilar SNISP has the following six instructions: \ ...
Esolanging Fruit's user avatar
6 votes
2 answers
809 views

Your task is to write a program that, given a number n, returns a list of all valid, halting Smallfuck programs of length n, in any order. Actually, we're using a variation of Smallfuck called F2, ...
Esolanging Fruit's user avatar
29 votes
11 answers
2k views

Let's define a simple 2D language, which we'll give the incredibly original name befinge. Befinge has 5 instructions: <>^v, as in most 2D esolangs, redirect ...
Esolanging Fruit's user avatar
10 votes
4 answers
1k views

To solve the Halting Problem you are given a description of a program, and must determine whether or not it will ever finish. You can never do this for all programs. Yet for programs like (in brainf***...
Christopher King's user avatar