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  1. Prepare
  2. Tutorials
  3. 30 Days of Code
  4. Day 19: Interfaces
  5. Leaderboard

Day 19: Interfaces

Hacker
Rank
Score
sorin200t
01
flag of Romania
30.00
sven_schygiol
01
flag of United Kingdom
30.00
dustinkaban
01
flag of Canada
30.00
vitors_monteiro1
01
flag of Portugal
30.00
elmas
01
flag of Turkey
30.00
vinaykumar7686
01
flag of India
30.00
gabor6
01
flag of Hungary
30.00
jmveloso
01
flag of Brazil
30.00
v0idzz__
01
flag of Poland
30.00
mrahme97
01
flag of United States
30.00
funnyufo
01
flag of United States
30.00
JeffMo
01
flag of United States
30.00
alexdav89
01
flag of Germany
30.00
geervesh
01
flag of Mauritius
30.00
hardikagarwal
01
flag of India
30.00
sprashantoffici1
01
flag of India
30.00
susanetta
01
flag of United States
30.00
Marlen98
01
flag of Kazakhstan
30.00
jayant_dawanig
01
flag of India
30.00
gnevanov_egor
01
flag of Russian Federation
30.00
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