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
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 8,733 CodinGamers
0
done
Lumen
by Sceurpien
Lumen
XP
+50 XP
Completed by 7,842 CodinGamers
0
done
Reverse Minesweeper
by [CG]Gaspar
Reverse Minesweeper
XP
+50 XP
Completed by 5,396 CodinGamers
0
done
Dungeons and Maps
by Di_Masta
Dungeons and Maps
XP
+50 XP
Completed by 4,974 CodinGamers
0
done
TicTacToe
by LaFayette
TicTacToe
XP
+50 XP
Completed by 2,378 CodinGamers
0
done
Crop-Circles
by Lisa-Has-Ideas
Crop-Circles
XP
+50 XP
Completed by 1,932 CodinGamers
0
done
Island Escape
by DavidAugustoVilla
Island Escape
XP
+50 XP
Completed by 1,824 CodinGamers
0
done
Object Insertion
by irmo322
Object Insertion
XP
+50 XP
Completed by 1,614 CodinGamers
0
done
Word Search for Programmers
by Lisa-Has-Ideas
Word Search for Programmers
XP
+50 XP
Completed by 902 CodinGamers
0
done
Flip The Sign
by Q12
Flip The Sign
XP
+50 XP
Completed by 883 CodinGamers
0
done
Substitution Encoding
by Dana3l
Substitution Encoding
XP
+50 XP
Completed by 677 CodinGamers
0
done
Tile a Floor
by Lisa-Has-Ideas
Tile a Floor
XP
+50 XP
Completed by 531 CodinGamers
0
done
Rotating arrows
by Mortis_666
Rotating arrows
XP
+50 XP
Completed by 512 CodinGamers
0
done
Triangle Toggle
by Lisa-Has-Ideas
Triangle Toggle
XP
+50 XP
Completed by 489 CodinGamers
0
done
Digital Scoreboard
by Lisa-Has-Ideas
Digital Scoreboard
XP
+50 XP
Completed by 364 CodinGamers
0
done
Scrabble score
by Remi.
Scrabble score
XP
+50 XP
Completed by 360 CodinGamers
0
done
Minesweeper level generator
by darkhorse64
Minesweeper level generator
XP
+50 XP
Completed by 356 CodinGamers
0
done
No More Pythons, Please!
by VictoriousTriceraton
No More Pythons, Please!
XP
+50 XP
Completed by 353 CodinGamers
0
done
Make an Atari Font
by Lisa-Has-Ideas
Make an Atari Font
XP
+50 XP
Completed by 322 CodinGamers
0
done
The logo beyond C++ and C#
by Lisa-Has-Ideas
The logo beyond C++ and C#
XP
+50 XP
Completed by 310 CodinGamers
0
done
Odd-Quad-Out
by Lisa-Has-Ideas
Odd-Quad-Out
XP
+50 XP
Completed by 241 CodinGamers
0
done
Character replacement problem
by renzyGo
Character replacement problem
XP
+50 XP
Completed by 240 CodinGamers
0
done
Couple's Picture-Frame
by Lisa-Has-Ideas
Couple's Picture-Frame
XP
+50 XP
Completed by 230 CodinGamers
0
done
Where am I going?
by SteveWhite
Where am I going?
XP
+50 XP
Completed by 229 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 180 CodinGamers
0
done
Square Spiral for Alien Contact 👽
by Lisa-Has-Ideas
Square Spiral for Alien Contact 👽
XP
+50 XP
Completed by 170 CodinGamers
0
done
Shikaku Skill Builder
by Timinator
Shikaku Skill Builder
XP
+50 XP
Completed by 105 CodinGamers
0
done
nD-Vector sorting
by Senua
nD-Vector sorting
XP
+50 XP
Completed by 96 CodinGamers
0
done
City Lights Part 1
by Delicious31415
City Lights Part 1
XP
+50 XP
Completed by 88 CodinGamers
0
done
Takuzu Solver (Easy mode)
by StepBack13
Takuzu Solver (Easy mode)
XP
+50 XP
Completed by 60 CodinGamers
0
done
Custom Game of Life
by Edjy
Custom Game of Life
XP
+50 XP
Completed by 2,190 CodinGamers
0
done
Sandpile addition
by TwelveOThirteen
Sandpile addition
XP
+50 XP
Completed by 1,440 CodinGamers
0
done
The lost child.Episode-1
by jrke
The lost child.Episode-1
XP
+50 XP
Completed by 975 CodinGamers
0
done
Magic Square
by brexe
Magic Square
XP
+50 XP
Completed by 833 CodinGamers
0
done
Number of paths between 2 points
by Xavier_Kress
Number of paths between 2 points
XP
+50 XP
Completed by 814 CodinGamers
0
done
Minesweeper
by VilBoub
Minesweeper
XP
+50 XP
Completed by 712 CodinGamers
0
done
Count of Primes in a number grid
by vulca
Count of Primes in a number grid
XP
+50 XP
Completed by 552 CodinGamers
0
done
1010(1)
by Syneil
1010(1)
XP
+50 XP
Completed by 504 CodinGamers
0
done
Forest Fire
by wolfalberto
Forest Fire
XP
+50 XP
Completed by 477 CodinGamers
0
done
Rock-Paper-Scissors War
by java_coffee_cup
Rock-Paper-Scissors War
XP
+50 XP
Completed by 463 CodinGamers
0
done
Folding a Note
by P4V3L14K0V
Folding a Note
XP
+50 XP
Completed by 436 CodinGamers
0
done
Tiny Forest
by AdrienLB
Tiny Forest
XP
+50 XP
Completed by 251 CodinGamers
0
done
Battleship
by Eldoir
Battleship
XP
+50 XP
Completed by 193 CodinGamers
0
done
Constrained Latin Squares
by darkhorse64
Constrained Latin Squares
XP
+50 XP
Completed by 173 CodinGamers
0
done
Mosaic
by Syneil
Mosaic
XP
+50 XP
Completed by 166 CodinGamers
0
done
Boggle with Friends
by Lisa-Has-Ideas
Boggle with Friends
XP
+50 XP
Completed by 145 CodinGamers
0
done
Largest Binary Rectangle
by Mortis_666
Largest Binary Rectangle
XP
+50 XP
Completed by 129 CodinGamers
0
done
BMP Compression
by java_coffee_cup
BMP Compression
XP
+50 XP
Completed by 129 CodinGamers
0
done
Can you save the forest - Episode 1
by chabes
Can you save the forest - Episode 1
XP
+50 XP
Completed by 115 CodinGamers
0
done
Killer Sudoku Solver
by odaxav
Killer Sudoku Solver
XP
+50 XP
Completed by 91 CodinGamers
0
done
ASCII Snakes
by ajaiy
ASCII Snakes
XP
+50 XP
Completed by 59 CodinGamers
0
done
Game of Life Simulation
by AntonGpt
Game of Life Simulation
XP
+50 XP
Completed by 56 CodinGamers
0
done
Road to Mount Boom
by Harry.B.
Road to Mount Boom
XP
+50 XP
Completed by 48 CodinGamers
0
done
Cows in a Maze
by JimmyX304
Cows in a Maze
XP
+50 XP
Completed by 45 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 15 CodinGamers
0
done
Coders of the Realm
by Bob
Coders of the Realm
Coders of the Realm - 1v1
by Bob
Coders of the Realm - 1v1
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 613 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 240 CodinGamers
0
done
Dominoes solver
by VilBoub
Dominoes solver
XP
+50 XP
Completed by 175 CodinGamers
0
done
Dumbbells solver
by VilBoub
Dumbbells solver
XP
+50 XP
Completed by 170 CodinGamers
0
done
Hitori solver
by VilBoub
Hitori solver
XP
+50 XP
Completed by 151 CodinGamers
0
done
Picture Puzzle
by Teiglin
Picture Puzzle
XP
+50 XP
Completed by 52 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 200 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
