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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
aweeraman
01
30.00
chitrapal
01
30.00
ivan_hadzhi
01
30.00
thestricker001
01
30.00
ex2053
01
30.00
vk31881
01
30.00
gh0stc0d3r
01
30.00
kubaszmyd
01
30.00
rickdenhaan
01
30.00
will2142
01
30.00
ozgurkisir
01
30.00
luganitanvi
01
30.00
siddz05
01
30.00
ramHacker15
01
30.00
luishipero
01
30.00
artaylor
01
30.00
pbalane
01
30.00
timlwake
01
30.00
bbelcher
01
30.00
pdhanoya
01
30.00
1
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