Card Number Validation in Ruby in Bytes Play Hole
21st in Ruby and 617th overall.
Last tested .
Runtime of .
| Bytes | Chars | Submitted |
|---|---|---|
| 82 | 82 | |
| 83 | 83 | |
| 86 | 86 |
The Calendar hole will go live in approximately . Why not try and solve it ahead of time?
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21st in Ruby and 617th overall.
Last tested .
Runtime of .
| Bytes | Chars | Submitted |
|---|---|---|
| 82 | 82 | |
| 83 | 83 | |
| 86 | 86 |