Problems

1 – 50 of 56

Problem Title Likes Solvers

Problem 141. Solve the Sudoku Row

Created by: @bmtran (Bryant Tran)

Tags sudoku, solve, logic

819

Problem 44950. Calculate Inner Product

Created by: Pooja Lalan

Tags matrix manipulation, logic

359

Problem 114. Check to see if a Sudoku Puzzle is Solved

Created by: @bmtran (Bryant Tran)

Tags sudoku, solve, logic

244

Problem 136. Read a Soroban Abacus

Created by: @bmtran (Bryant Tran)

Tags abacus, soroban, japanese

204

Problem 2359. Integer Sequence - 1

Created by: rifat

Tags interger sequence, puzzle, logic

Problem 43064. Remove multiples of N

Created by: Bert

Tags array, logic

Problem 44433. find the logic,easy one

Created by: jean claude

Tags logic

Problem 42711. Find Month & day for given day number of a year

Created by: Azhar

Tags date, function, logic

Problem 43118. Reduce the logic

Created by: Bert

Tags logic, reduce logic

Problem 1180. Knights and Knaves (part 2)

Created by: Alfonso Nieto-Castanon

Tags puzzles, logic

Problem 2085. Sudoku Solver - Standard 9x9

Created by: Richard Zapor

Tags puzzle, games, logic

Problem 169. Set a Soroban Abacus

Created by: @bmtran (Bryant Tran)

Tags abacus, japanese, linear algebra

Problem 44550. Determine the number of correct and incorrect answers

Created by: Mohammad Abir Hassan Sarker

Tags linear algebra, logic, matrix

Problem 1189. Knights and Knaves (part 3)

Created by: Alfonso Nieto-Castanon

Tags puzzles, logic

Problem 44841. Cody problems in French : Trouvez la logique Pt.2

Created by: Valentin Noël-Youïnou

Tags french, logic, lingua franca

Problem 44751. Lights Out 1 - 5x5, 3 moves

Created by: goc3

Tags lights, out, toggle

Problem 3042. Fill-a-pix - Solution Checker

Created by: goc3

Tags fill-a-pix, puzzle, game

Problem 701. Play Tic-Tac-Toe: Easy Bots

Created by: Richard Zapor

Tags multiple calls, game theory, logic

Problem 44753. Lights Out 3 - 5x5, 6 moves

Created by: goc3

Tags lights, out, toggle

Problem 44752. Lights Out 2 - 5x5, 4 moves

Created by: goc3

Tags lights, out, toggle

Problem 44756. Lights Out 5 - 5x5, 10 moves

Created by: goc3

Tags lights, out, toggle

Problem 44755. Lights Out 4 - 5x5, 8 moves

Created by: goc3

Tags lights, out, toggle

Problem 1496. Disjunctive Normal Form

Created by: G K

Tags logic, math

Problem 44757. Lights Out 6 - 5x5, 13 moves

Created by: goc3

Tags lights, out, toggle

Problem 1484. Conjunctive Normal Form

Created by: G K

Tags math, logic

Problem 44236. Mastermind I: Solve all 1296 cases

Created by: Richard Zapor

Tags mastermind, logic, persistent

Problem 44759. Lights Out 7 - 5x5, x moves

Created by: goc3

Tags lights, out, toggle

Problem 44237. Mastermind II: Solve in 8 or less

Created by: Richard Zapor

Tags mastermind, logic, persistent

Problem 1187. Knave in the middle attack

Created by: Alfonso Nieto-Castanon

Tags logic, puzzles, difficulty high

Problem 44760. Lights Out 8 - 5x5, light-only solution? I

Created by: goc3

Tags lights, out, toggle

Problem 44238. Mastermind III: Solve in 1

Created by: Richard Zapor

Tags mastermind, logic, puzzle

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

Created by: Richard Zapor

Tags mastermind, logic, optimal

Problem 45298. How many ways?

Created by: Asif Newaz

Tags polygon, logic

Problem 3043. Fill-a-pix - Solver (basic)

Created by: goc3

Tags fill-a-pix, puzzle, game

Problem 44761. Lights Out 9 - 5x5, light-only solution? II

Created by: goc3

Tags lights, out, toggle

Problem 44776. Lights Out 15 - 5x5, broken buttons I

Created by: goc3

Tags lights, out, toggle

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

Created by: goc3

Tags lights, out, toggle

Problem 44764. Lights Out 10 - 5x5, with wrapping, 6 moves

Created by: goc3

Tags lights, out, toggle

Problem 44840. Cody Problems in French : Trouvez la logique Pt.1

Created by: Valentin Noël-Youïnou

Tags logic, french, lingua franca

Problem 1978. Sokoban: Puzzle 10.45

Created by: Richard Zapor

Tags sokoban, puzzle, game

Problem 44766. Lights Out 12 - 5x5, three stages, <7 moves

Created by: goc3

Tags lights, out, toggle

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

Created by: goc3

Tags lights, out, toggle

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

Created by: goc3

Tags lights, out, toggle

Problem 45352. Number generator

Created by: Asif Newaz

Tags logic, numbers

Problem 45356. Connect Four - 02

Created by: Asif Newaz

Tags board, game, logic

Problem 45355. Connect Four - 03

Created by: Asif Newaz

Tags board, game, logic

Problem 2004. BattleShip - Petty Officer (Level 2)

Created by: Richard Zapor

Tags games, battleship, logic

1 – 50 of 56

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Problems

Problem Groups