The Card Number Validation hole will go live in . Why not try and solve it ahead of time?

ovs-code (he/him) 🇩🇪

107,471
•
105,728
🦄14
•
💎704
•
🥇1,670
•
🥈462
•
🥉446

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108 / 108 Holes

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52 / 58 Langs

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57 / 75 Cheevos

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Reversi in C++ in Chars Play Hole

2nd in C++ and 88th overall.

Last tested .

Bytes Chars Submitted
177 177
178 178
179 179
182 182
184 184
185 185