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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
avengito
01
30.00
nageshchauhan
01
30.00
alexander_kachur
01
30.00
wenchao
01
30.00
Karzel
01
30.00
Ravi_Periasamy
01
30.00
tonnpa
01
30.00
andra_raluka1127
01
30.00
avenet
01
30.00
[deleted]
01
30.00
ninja_prince
01
30.00
Olivier_Gomez
01
30.00
kkoteeswaran
01
30.00
antonos
01
30.00
david_bengoa
01
30.00
RafazZ
01
30.00
[deleted]
01
30.00
VMendu
01
30.00
munyau84
01
30.00
deeptishatagopam
01
30.00
1
...
6
7
8
...
8043
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