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
Immuable
Latest
Popular
Design Pattern
4 years ago
By
Grimdalf
DesignPattern
Gof
Immuable
OOP
solid
...
4,034
8
