Questions tagged [puzzle-solver]
Use this tag if your challenge is about writing programs that solve puzzles such as Sudoku, Rubik's Cube, Crossword puzzles, etc.
103 questions
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Solve Star Battle (Queens) Puzzle
Queens is a puzzle that consists of a NxN grid divided into continuous color regions.
Your goal is to have exactly one queen (Q) in each row, column, and color region
Two queens cannot be adjacent to ...
- 2,099
10
votes
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Solve Tango Puzzle
Tango is a puzzle that consists of a 6x6 grid partially filled with moons (M) and suns (S) and two lists of coordinate pairs, which we will call = and ...
- 2,099
13
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5
answers
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Sudoku as a SAT problem
Background
An interesting way to solve a Sudoku puzzle is to represent it as a Boolean satisfiability problem, and then feed it to a SAT solver.
A Boolean Satisfiability Problem (abbreviated as SAT ...
- 51.6k
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votes
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"Signpost" puzzle from Tatham's collection
Simplified version of "Signpost" puzzle from Simon Tatham's Portable Puzzle Collection.
How the puzzle is created
We pick up randomly positive integer N ...
- 3,448
10
votes
5
answers
999
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Let's go on a hyperjumping trip!
The idea is based on this interactive game. Given a set of eight decimal digits which are not necessarily distinct, your task is to find a hyperjump trip with the specified length.
But what is a ...
- 1,127
13
votes
2
answers
725
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Interstellar Cabbages, Wolves, and Sheep
The Cabbage, Wolf, Goat riddle with a twist!
Backstory:
There’s an intergalactic river than needs to be crossed! Being a space-ferryman you’ve offered some aliens on your small space ferry that can ...
- 781
15
votes
10
answers
1k
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Count Futoshiki row solutions
Futoshiki is a logic puzzle where an \$n×n\$ Latin square must be completed based on given numbers and inequalities between adjacent cells. Each row and column must contain exactly one of each number ...
- 4,739
13
votes
2
answers
830
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Solving an easy Sudoku in increasing digit order
Introduction:
I'm old-fashioned and still read a physical newspaper in the morning while eating my breakfast. Although I don't like Sudoku that much, I do solve the Light-complexity ones, which are ...
- 136k
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Solve the Greek Computer Puzzle Toy [closed]
Solve the Greek Computer Puzzle Toy
There is a small toy of a series of stacked dials -- loosely inspired by the Antikythera Device. The puzzle, made by Project Genius, has a series of dials that must ...
- 27
17
votes
18
answers
2k
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Play Caesar's Cipher with Letters only
Description
The Caesar cipher is a cipher, where every letter in the alphabet will be rotated by a secret number.
If the rotation is \$7\$, then a -> ...
- 9,528
5
votes
3
answers
283
views
Cubax Folding Game
Your task is to solve a new puzzle called Cubax. This toy is actually a Chinese puzzle whose expected “final” state is a simple cube. During the festivities, Cubax unfolded, because it cannot move ...
- 5,179
19
votes
3
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Solve Rubik's Clock
Rubik's Clock is a round(ish) puzzle with two flat sides. On each side, front and back, there are 9 clock faces, arranged on a 3x3 grid. In addition, there are 4 pegs (switches) in between the clock ...
- 8,124
23
votes
6
answers
6k
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Play the Fruit Box Game
Play the Fruit Box Game
Intro
Fruit Box is a game consisting of a 10x17 grid of numbers, each between 1 and 9, where the goal is to clear as many numbers as possible in a two-minute time window. In ...
- 519
9
votes
6
answers
413
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AoCG2021 Day 25: Stitching maps together
Part of Advent of Code Golf 2021 event. See the linked meta post for details.
Related to AoC2020 Day 20, Part 1. (This day is a dreaded one for many of you, I know :P)
Obligatory final "but you'...
- 35.6k
11
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986
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Solve an Inglenook Sidings Puzzle
Solve an Inglenook Sidings Puzzle
Background
The Inglenook Sidings Puzzle is a shunting/switching yard puzzle by Alan Wright for model railroading. The rules for the puzzle are as follows: (Source)
...
- 11.4k