Herbert00709
            (he/him)
        
            🇵🇱
        
        
        
        
        
     
    Spigots, my beloved |
also try tetr.io
    
    
    
    
        
    
    
        Card Number Validation in C++ in Bytes
        
             Play Hole
        
    
    
        
            8th in C++
        and
        
            444th overall.
    
Last tested .
    
Runtime of .
    
    
        
            
                
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