User Bubbler

54 votes

146 answers

8k views

The vanilla factorial challenge

asked Aug 24, 2020 at 22:54

53 votes

13 answers

5k views

Read out the C variable declaration

asked Oct 25, 2018 at 4:24

45 votes

27 answers

3k views

Simplify ijk-string

asked May 26, 2021 at 0:57

39 votes

31 answers

2k views

Evaluate left-or-right

asked Feb 5, 2021 at 1:43

39 votes

31 answers

4k views

Concatenated halting problem: no + no + ... = yes

asked Jun 2, 2021 at 0:33

39 votes

5 answers

4k views

50 digits of π in HQ0-9+-INCOMPUTABLE?

asked Nov 14, 2022 at 2:24

36 votes

15 answers

3k views

Triangular Lattice Points close to the Origin

asked Apr 29, 2018 at 6:58

35 votes

2 answers

3k views

Tribute to John Conway: Collatz in FRACTRAN

asked Apr 20, 2020 at 0:35

34 votes

70 answers

4k views

Sum the array times n, except the last

asked Jul 11, 2020 at 6:44

33 votes

26 answers

4k views

Circumference of an ellipse

asked Sep 29, 2020 at 5:03

32 votes

14 answers

5k views

Have you heard of tralindromes?

asked Jul 27, 2022 at 0:37

32 votes

38 answers

3k views

Bubbler and 3 others are typing․․․

asked Nov 25, 2021 at 1:09

31 votes

16 answers

2k views

Evaluate Conway chained arrow notation

asked Apr 29, 2020 at 0:12

30 votes

28 answers

2k views

Cut resistance of a list

asked May 28, 2020 at 0:50

30 votes

13 answers

4k views

20 cards with no Set

asked Nov 11, 2019 at 8:49

30 votes

12 answers

2k views

Is it a checkered tiling?

asked Jun 23, 2021 at 0:17

30 votes

20 answers

2k views

An ASCII self-referential sequence

asked Dec 29, 2021 at 0:01

29 votes

26 answers

2k views

Recursive Z-matrix

asked Jul 5, 2021 at 23:11

29 votes

44 answers

6k views

This code errors on this and that, is it really written in them?

asked Mar 21, 2018 at 4:32

28 votes

12 answers

4k views

Densely packed decimal (DPD) to decimal

asked Nov 22, 2018 at 0:04

28 votes

15 answers

3k views

The ultimate inequality challenge

asked Apr 16, 2020 at 10:07

27 votes

11 answers

2k views

Test if a Gray code is Beckett

asked Mar 10, 2021 at 0:03

27 votes

7 answers

1k views

Recover polynomial \$f(x)\$ from \$f^2(x)\$

asked May 7, 2021 at 3:32

26 votes

4 answers

618 views

The half-step of Fibonacci

asked Apr 19, 2021 at 0:58

26 votes

19 answers

2k views

Bubbler numbers

asked May 29, 2020 at 6:54

26 votes

2 answers

2k views

Nonogram line brute-force solving

asked Jun 11, 2018 at 0:23

26 votes

14 answers

2k views

Counting valid Binary Sudoku rows

asked Mar 15, 2020 at 23:23

25 votes

11 answers

2k views

Perimeter of Conway hexagon

asked Apr 24, 2020 at 0:14

25 votes

10 answers

2k views

Floor of complex number

asked May 17, 2021 at 1:09

25 votes

14 answers

1k views

1D monochrome Link-a-Pix solvability

asked May 24, 2021 at 0:34

Stack Exchange Network

211 Questions

The vanilla factorial challenge

Read out the C variable declaration

Simplify ijk-string

Evaluate left-or-right

Concatenated halting problem: no + no + ... = yes

50 digits of π in HQ0-9+-INCOMPUTABLE?

Triangular Lattice Points close to the Origin

Tribute to John Conway: Collatz in FRACTRAN

Sum the array times n, except the last

Circumference of an ellipse

Have you heard of tralindromes?

Bubbler and 3 others are typing․․․

Evaluate Conway chained arrow notation

Cut resistance of a list

20 cards with no Set

Is it a checkered tiling?

An ASCII self-referential sequence

Recursive Z-matrix

This code errors on this and that, is it really written in them?

Densely packed decimal (DPD) to decimal

The ultimate inequality challenge

Test if a Gray code is Beckett

Recover polynomial \$f(x)\$ from \$f^2(x)\$

The half-step of Fibonacci

Bubbler numbers

Nonogram line brute-force solving

Counting valid Binary Sudoku rows

Perimeter of Conway hexagon

Floor of complex number

1D monochrome Link-a-Pix solvability