Problems

1 – 15 of 15

Problem Title Likes Solvers Difficulty

Problem 44236. Mastermind I: Solve all 1296 cases

Created by: Richard Zapor

Tags logic, persistent, puzzle

Problem 44248. Mastermind V: Optimal Solver - average number of guesses

Created by: LY Cao

Tags puzzle, mastermind

Problem 47453. Slitherlink I: Trivial

Created by: Richard Zapor

Tags recursion, games, puzzle

Problem 46579. Shape Shifter - Part 1

Created by: Highphi

Tags game, matrix, puzzle

Problem 2085. Sudoku Solver - Standard 9x9

Created by: Richard Zapor

Tags logic, recursion, games

Problem 44767. Lights Out 13 - 5x5, three stages, x moves

Created by: goc3

Tags game, logic, flip

Problem 44769. Lights Out 14 - 5x5, four stages, x moves

Created by: goc3

Tags game, logic, flip

Problem 45239. Checkmate-02

Created by: Asif Newaz

Tags chess, puzzle, board

Problem 42842. The sliding puzzle: 15

Created by: HH

Tags puzzle, sliding, fifteen

Problem 44376. The sliding puzzle: 3D

Created by: HH

Tags puzzle, sliding, fifteen

Problem 44765. Lights Out 11 - 5x5, with wrapping, x moves

Created by: goc3

Tags game, logic, flip

1 – 15 of 15

Difficulty Rating

Problem Groups

Difficulty Rating

Problem Groups

Problems

Problem 44236. Mastermind I: Solve all 1296 cases

Problem 44248. Mastermind V: Optimal Solver - average number of guesses

Problem 47453. Slitherlink I: Trivial

Problem 46579. Shape Shifter - Part 1

Problem 2085. Sudoku Solver - Standard 9x9

Problem 44767. Lights Out 13 - 5x5, three stages, x moves

Problem 44769. Lights Out 14 - 5x5, four stages, x moves

Problem 45239. Checkmate-02

Problem 42842. The sliding puzzle: 15

Problem 44376. The sliding puzzle: 3D

Problem 44765. Lights Out 11 - 5x5, with wrapping, x moves

Problem 47468. Slitherlink III: Evolve

Problem 47473. Slitherlink IV: Recursive (medium size)

Problem 47478. Slitherlink V: Assert/Evolve/Check (large)

Problem 44239. Mastermind IV: Optimal Solver - max of 5 guesses