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Tutorials
30 Days of Code
Day 19: Interfaces
Leaderboard
Day 19: Interfaces
Problem
Submissions
Leaderboard
Discussions
Editorial
Tutorial
Reveal solutions
Hacker
Rank
Country
Score
NasrShamalkh
01
30.00
dquinterogo
01
30.00
marina_gitelman
01
30.00
david693
01
30.00
yanqing_li_1990
01
30.00
Wawann
01
30.00
zangyunkai
01
30.00
lachavezca
01
30.00
surfo8970bb
01
30.00
halmouba
01
30.00
tuhinmukherjee74
01
30.00
GermanRuelas
01
30.00
AtharvaD11
01
30.00
CS4A_1816410225
01
30.00
rahul3135
01
30.00
meghagoriya067
01
30.00
miahernandezsa
01
30.00
sagardevachar1
01
30.00
sergey_n_davydov
01
30.00
soniaditi207
01
30.00
1
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5282
5283
5284
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8210
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