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Prepare
Python
Regex and Parsing
Validating Credit Card Numbers
Leaderboard
Validating Credit Card Numbers
Problem
Submissions
Leaderboard
Discussions
Editorial
Reveal solutions
Hacker
Rank
Country
Score
itsd3
01
40.00
tsogiaidze
01
40.00
arijit14
01
40.00
somil260
01
40.00
maria_rossi1994
01
40.00
francesca_biffi1
01
40.00
nyirati
01
40.00
marktines4
01
40.00
yue_zhang_qa
01
40.00
csheldon
01
40.00
jeittreim
01
40.00
mango10
01
40.00
Tajniak
01
40.00
h456186
01
40.00
wkan84
01
40.00
fhanzjozef
01
40.00
sergemoney
01
40.00
alexyoury
01
40.00
sbdv79
01
40.00
paparella_franc1
01
40.00
1
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60
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62
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3481
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