# Problems

1 – 50 of 66
 Problem Title Likes Solvers Difficulty

Created by: Ted

1

87

#### Problem 50018. Number Puzzles - 010

Created by: Doddy Kastanya

1

23

#### Problem 2052. provide the numerical answer to these number questions...

Created by: Ted

Tags math, puzzle

2

52

#### Problem 2770. Probability of Choosing a Red Ball

Created by: Kevin

1

58

#### Problem 50392. Number Puzzle - 073

Created by: Doddy Kastanya

Tags puzzle

0

21

#### Problem 50008. Number Puzzles - 008

Created by: Doddy Kastanya

2

25

#### Problem 50078. Number Puzzle - 022

Created by: Doddy Kastanya

Tags puzzle

1

25

#### Problem 50232. Number Puzzle - 044

Created by: Doddy Kastanya

Tags puzzle

0

29

#### Problem 1154. Identify the heavier bag

Created by: HARISANKAR PS

Tags puzzle

0

55

#### Problem 2359. Integer Sequence - 1

Created by: rifat

1

64

#### Problem 44709. Toads and Frogs Puzzle

Created by: J. S. Kowontan

Tags puzzle

1

18

#### Problem 3042. Fill-a-pix - Solution Checker

Created by: goc3

Tags game, logic, puzzle

2

20

#### Problem 45329. Castling-01

Created by: Asif Newaz

1

12

#### Problem 45330. Castling-02

Created by: Asif Newaz

1

7

#### Problem 1978. Sokoban: Puzzle 10.45

Created by: Richard Zapor

0

7

#### Problem 45247. Tell your secret

Created by: Asif Newaz

Tags puzzle, tree

1

12

#### Problem 42769. GJam March 2016 IOW: Cody's Jams

Created by: Richard Zapor

Tags series, puzzle, gjam

2

15

#### Problem 46040. Solve a Weird Calculator puzzle

Created by: ChrisR

0

9

#### Problem 59045. 8 : Find the Solving vector

Created by: Richard Zapor

Tags puzzle, 15, 8

0

4

#### Problem 1668. Josephus Survivor

Created by: Richard Zapor

Tags mod, puzzle

2

34

Created by: goc3

6

26

#### Problem 47518. Play Outside In with primes

Created by: ChrisR

1

8

#### Problem 2004. BattleShip - Petty Officer (Level 2)

Created by: Richard Zapor

Tags logic, games, puzzle

0

4

#### Problem 2005. BattleShip - Seaman (1) thru Admiral(6) : CPU Time Scoring(msec)

Created by: Richard Zapor

1

3

#### Problem 2026. Skyscrapers - Puzzle

Created by: Richard Zapor

1

5

#### Problem 2036. Santa's Cards

Created by: Richard Zapor

1

3

#### Problem 2072. Packing Santa's Sleigh: First Layer

Created by: Richard Zapor

0

4

#### Problem 2358. Word Search Solver

Created by: goc3

Tags game, solver, puzzle

3

16

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

Created by: goc3

Tags game, logic, solver

2

9

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

Created by: goc3

Tags game, logic, flip

5

23

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

Created by: goc3

Tags game, logic, flip

1

18

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

Created by: goc3

Tags game, logic, flip

1

16

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

Created by: goc3

Tags game, logic, flip

4

14

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

Created by: goc3

Tags game, logic, flip

2

15

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

Created by: goc3

Tags game, logic, flip

2

12

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

Created by: goc3

Tags game, logic, flip

1

11

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

Created by: goc3

Tags game, logic, flip

2

11

#### Problem 46120. Solve the Challenger puzzle

Created by: ChrisR

3

14

#### Problem 44238. Mastermind III: Solve in 1

Created by: Richard Zapor

1

14

#### Problem 45237. Queen's move - 02

Created by: Asif Newaz

2

7

#### Problem 47463. Slitherlink II: Gimmes

Created by: Richard Zapor

2

1

#### Problem 57810. List the two-bit primes

Created by: ChrisR

1

5

#### Problem 59586. List ways to make a sum in Killer Sudoku

Created by: ChrisR

1

3

#### Problem 51251. Locate a family on a long street

Created by: ChrisR

8

21

#### Problem 44237. Mastermind II: Solve in 8 or less

Created by: Richard Zapor

2

14

#### Problem 44236. Mastermind I: Solve all 1296 cases

Created by: Richard Zapor

3

17

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

Created by: LY Cao

2

12

#### Problem 47453. Slitherlink I: Trivial

Created by: Richard Zapor

0

3

#### Problem 46579. Shape Shifter - Part 1

Created by: Highphi

Tags game, matrix, puzzle

2

6

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

Created by: goc3

Tags game, logic, flip

0

9

1 – 50 of 66