Card Number Validation in Ruby in Chars Play Hole
3rd in Ruby and 72nd overall.
Last tested .
| Bytes | Chars | Submitted |
|---|---|---|
| 54 | 54 | |
| 59 | 59 | |
| 64 | 64 |
error256
88,421
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89,825
💎135
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🥇319
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🥉86