57:57:56
-4 days 14:02:04
Contest is over

JMU Final Contest


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110:02:04

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57:57:56

Starts in

-4 days 14:02:04

Ends in

2 days 9:57:56

Start

2025-04-30 21:30 CEST

End

2025-05-07 21:30 CEST

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JMU Final Contest

Crystal

Compiler settings

We use crystal 1.15.1 to compile your program with the following command:

$ crystal build {mainfile} -O 2 -o {executable} --no-color

  • {mainfile} is the entrypoint file (you can specify which file this is when submitting).
  • {executable} is the compiled executable.

File Extensions

Files with any of the following file extensions will be used: .cr

Additional information

Additional language-specific advice and information for many languages is available in the knowledge base