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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
mmmdovliman
01
30.00
vash2604kadam
01
30.00
brian_h_argenti
01
30.00
phleudt
01
30.00
vampirer3
01
30.00
saloniteli2106
01
30.00
ishukumarishu786
01
30.00
efajardx
01
30.00
ahileswaran
01
30.00
nzmcguigan
01
30.00
ankanchoudhury81
01
30.00
Lerdonia
01
30.00
vschetinger
01
30.00
hc017_ai
01
30.00
adbirajdar1
01
30.00
asilmufti111
01
30.00
marcel_haindl
01
30.00
cc221026
01
30.00
cc221022
01
30.00
cc221008
01
30.00
1
...
7800
7801
7802
...
8263
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