Employers: discover CodinGame for tech hiring
EVENTS
UPCOMING
PAST
PRIVATE EVENTS
SOLO
PUZZLES
CODE GOLF
OPTIMIZATION
MULTI
LEADERBOARDS
CLASH OF CODE
BOT PROGRAMMING
CODING ESCAPE
COMMUNITY
CONTRIBUTIONS
LEARN
DISCORD
FORUM
LIVE STREAMS
1
Log In
Sign Up
2D array
Details
share
Associated training puzzles
Spring Challenge 2020
Sudoku Validator
by redCroc
Sudoku Validator
XP
+50 XP
Completed by 8,796 CodinGamers
0
done
Lumen
by Sceurpien
Lumen
XP
+50 XP
Completed by 7,867 CodinGamers
0
done
Reverse Minesweeper
by [CG]Gaspar
Reverse Minesweeper
XP
+50 XP
Completed by 5,489 CodinGamers
0
done
Dungeons and Maps
by Di_Masta
Dungeons and Maps
XP
+50 XP
Completed by 4,990 CodinGamers
0
done
TicTacToe
by LaFayette
TicTacToe
XP
+50 XP
Completed by 2,388 CodinGamers
0
done
Island Escape
by DavidAugustoVilla
Island Escape
XP
+50 XP
Completed by 2,041 CodinGamers
0
done
Crop-Circles
by Lisa-Has-Ideas
Crop-Circles
XP
+50 XP
Completed by 1,946 CodinGamers
0
done
Object Insertion
by irmo322
Object Insertion
XP
+50 XP
Completed by 1,624 CodinGamers
0
done
Word Search for Programmers
by Lisa-Has-Ideas
Word Search for Programmers
XP
+50 XP
Completed by 936 CodinGamers
0
done
Flip The Sign
by Q12
Flip The Sign
XP
+50 XP
Completed by 886 CodinGamers
0
done
Substitution Encoding
by Dana3l
Substitution Encoding
XP
+50 XP
Completed by 683 CodinGamers
0
done
Tile a Floor
by Lisa-Has-Ideas
Tile a Floor
XP
+50 XP
Completed by 547 CodinGamers
0
done
Rotating arrows
by Mortis_666
Rotating arrows
XP
+50 XP
Completed by 516 CodinGamers
0
done
Triangle Toggle
by Lisa-Has-Ideas
Triangle Toggle
XP
+50 XP
Completed by 503 CodinGamers
0
done
Digital Scoreboard
by Lisa-Has-Ideas
Digital Scoreboard
XP
+50 XP
Completed by 370 CodinGamers
0
done
Scrabble score
by Remi.
Scrabble score
XP
+50 XP
Completed by 364 CodinGamers
0
done
Where am I going?
by SteveWhite
Where am I going?
XP
+50 XP
Completed by 361 CodinGamers
0
done
Minesweeper level generator
by darkhorse64
Minesweeper level generator
XP
+50 XP
Completed by 358 CodinGamers
0
done
No More Pythons, Please!
by VictoriousTriceraton
No More Pythons, Please!
XP
+50 XP
Completed by 356 CodinGamers
0
done
Make an Atari Font
by Lisa-Has-Ideas
Make an Atari Font
XP
+50 XP
Completed by 324 CodinGamers
0
done
The logo beyond C++ and C#
by Lisa-Has-Ideas
The logo beyond C++ and C#
XP
+50 XP
Completed by 314 CodinGamers
0
done
Square Spiral for Alien Contact 👽
by Lisa-Has-Ideas
Square Spiral for Alien Contact 👽
XP
+50 XP
Completed by 272 CodinGamers
0
done
Character replacement problem
by renzyGo
Character replacement problem
XP
+50 XP
Completed by 245 CodinGamers
0
done
Odd-Quad-Out
by Lisa-Has-Ideas
Odd-Quad-Out
XP
+50 XP
Completed by 244 CodinGamers
0
done
Couple's Picture-Frame
by Lisa-Has-Ideas
Couple's Picture-Frame
XP
+50 XP
Completed by 234 CodinGamers
0
done
City Lights Part 1
by Delicious31415
City Lights Part 1
XP
+50 XP
Completed by 211 CodinGamers
0
done
Popularity of each activity
by Lisa-Has-Ideas
Popularity of each activity
XP
+50 XP
Completed by 199 CodinGamers
0
done
Tile a Floor Differently
by Lisa-Has-Ideas
Tile a Floor Differently
XP
+50 XP
Completed by 182 CodinGamers
0
done
Shikaku Skill Builder
by Timinator
Shikaku Skill Builder
XP
+50 XP
Completed by 116 CodinGamers
0
done
Peaks and Valleys in 2D Grid
by Delicious31415
Peaks and Valleys in 2D Grid
XP
+50 XP
Completed by 112 CodinGamers
0
done
nD-Vector sorting
by Senua
nD-Vector sorting
XP
+50 XP
Completed by 99 CodinGamers
0
done
Takuzu Solver (Easy mode)
by StepBack13
Takuzu Solver (Easy mode)
XP
+50 XP
Completed by 80 CodinGamers
0
done
Custom Game of Life
by Edjy
Custom Game of Life
XP
+50 XP
Completed by 2,193 CodinGamers
0
done
Sandpile addition
by TwelveOThirteen
Sandpile addition
XP
+50 XP
Completed by 1,446 CodinGamers
0
done
The lost child.Episode-1
by jrke
The lost child.Episode-1
XP
+50 XP
Completed by 980 CodinGamers
0
done
Magic Square
by brexe
Magic Square
XP
+50 XP
Completed by 841 CodinGamers
0
done
Number of paths between 2 points
by Xavier_Kress
Number of paths between 2 points
XP
+50 XP
Completed by 821 CodinGamers
0
done
Minesweeper
by VilBoub
Minesweeper
XP
+50 XP
Completed by 714 CodinGamers
0
done
Count of Primes in a number grid
by vulca
Count of Primes in a number grid
XP
+50 XP
Completed by 555 CodinGamers
0
done
1010(1)
by Syneil
1010(1)
XP
+50 XP
Completed by 509 CodinGamers
0
done
Forest Fire
by wolfalberto
Forest Fire
XP
+50 XP
Completed by 480 CodinGamers
0
done
Rock-Paper-Scissors War
by java_coffee_cup
Rock-Paper-Scissors War
XP
+50 XP
Completed by 467 CodinGamers
0
done
Folding a Note
by P4V3L14K0V
Folding a Note
XP
+50 XP
Completed by 440 CodinGamers
0
done
Tiny Forest
by AdrienLB
Tiny Forest
XP
+50 XP
Completed by 257 CodinGamers
0
done
Battleship
by Eldoir
Battleship
XP
+50 XP
Completed by 195 CodinGamers
0
done
Constrained Latin Squares
by darkhorse64
Constrained Latin Squares
XP
+50 XP
Completed by 179 CodinGamers
0
done
Mosaic
by Syneil
Mosaic
XP
+50 XP
Completed by 177 CodinGamers
0
done
Boggle with Friends
by Lisa-Has-Ideas
Boggle with Friends
XP
+50 XP
Completed by 149 CodinGamers
0
done
BMP Compression
by java_coffee_cup
BMP Compression
XP
+50 XP
Completed by 138 CodinGamers
0
done
Largest Binary Rectangle
by Mortis_666
Largest Binary Rectangle
XP
+50 XP
Completed by 135 CodinGamers
0
done
Can you save the forest - Episode 1
by chabes
Can you save the forest - Episode 1
XP
+50 XP
Completed by 116 CodinGamers
0
done
Killer Sudoku Solver
by odaxav
Killer Sudoku Solver
XP
+50 XP
Completed by 93 CodinGamers
0
done
ASCII Snakes
by ajaiy
ASCII Snakes
XP
+50 XP
Completed by 61 CodinGamers
0
done
Game of Life Simulation
by AntonGpt
Game of Life Simulation
XP
+50 XP
Completed by 61 CodinGamers
0
done
Road to Mount Boom
by Harry.B.
Road to Mount Boom
XP
+50 XP
Completed by 53 CodinGamers
0
done
Cows in a Maze
by JimmyX304
Cows in a Maze
XP
+50 XP
Completed by 47 CodinGamers
0
done
Polyominoes
by VizGhar
Polyominoes
XP
+50 XP
Completed by 27 CodinGamers
0
done
Tetrasticks
by VizGhar
Tetrasticks
XP
+50 XP
Completed by 18 CodinGamers
0
done
Coders of the Realm - 1v1
by Bob
Coders of the Realm - 1v1
Coders of the Realm
by Bob
Coders of the Realm
Game of Life or Death
by Unsupervision
Game of Life or Death
Block the spreading fire !
by Teiglin
Block the spreading fire !
0
done
n Queens
by VilBoub
n Queens
XP
+50 XP
Completed by 617 CodinGamers
0
done
Chess board analyzer
by Di_Masta
Chess board analyzer
XP
+50 XP
Completed by 475 CodinGamers
0
done
A Game of Go
by Tux4711
A Game of Go
XP
+50 XP
Completed by 241 CodinGamers
0
done
Dominoes solver
by VilBoub
Dominoes solver
XP
+50 XP
Completed by 181 CodinGamers
0
done
Dumbbells solver
by VilBoub
Dumbbells solver
XP
+50 XP
Completed by 173 CodinGamers
0
done
Hitori solver
by VilBoub
Hitori solver
XP
+50 XP
Completed by 154 CodinGamers
0
done
Picture Puzzle
by Teiglin
Picture Puzzle
XP
+50 XP
Completed by 54 CodinGamers
0
done
Wave Function Collapse (sans Shannon)
by Wontonimo
Wave Function Collapse (sans Shannon)
XP
+50 XP
Completed by 30 CodinGamers
0
done
Squares order
by VilBoub
Squares order
XP
+50 XP
Completed by 204 CodinGamers
0
done
ABOUT US
CAREERS
PRIVACY
FAQ
BLOG
ABOUT US
CAREERS
PRIVACY
FAQ
BLOG
The #1 tech hiring platform
SCREENING
INTERVIEWING
Facebook
YouTube
Twitter
LinkedIn
FR
EN
