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Prepare
Tutorials
30 Days of Code
Day 19: Interfaces
Leaderboard
Day 19: Interfaces
Problem
Submissions
Leaderboard
Discussions
Editorial
Tutorial
Reveal solutions
Hacker
Rank
Country
Score
Chamikara_J
01
30.00
kenngineering
01
30.00
nischithae
01
30.00
4ni17is002_a
01
30.00
jaya_kumar_talla
01
30.00
Binay_Sanghi
01
30.00
mitchell_ashton
01
30.00
TrevorLau
01
30.00
hlamida2
01
30.00
ericsf34
01
30.00
priyanshu4399
01
30.00
AlecKski
01
30.00
bekkouch
01
30.00
albena_y_kraste1
01
30.00
RojasxAndres
01
30.00
ngoshaye
01
30.00
elatmaniyassir3
01
30.00
alineria
01
30.00
parthhadkar40
01
30.00
b_b_da_costa
01
30.00
1
...
5400
5401
5402
...
8275
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