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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
anditto
01
flag of Japan
30.00
nizar999
01
flag of Lebanon
30.00
gcdinsmore
01
flag of United States
30.00
Wu_Xiaozheng
01
flag of Canada
30.00
celandau
01
flag of United States
30.00
skangmy
01
flag of Malaysia
30.00
BabarBaig
01
flag of United States
30.00
simonasn
01
flag of Lithuania
30.00
ddejan
01
flag of Serbia
30.00
chris_tiffin
01
flag of United Kingdom
30.00
tenchjames
01
flag of United States
30.00
pleiotropic
01
flag of United States
30.00
Keerthi_Reddy
01
flag of United States
30.00
Saphyros2
01
flag of Brazil
30.00
robchan
01
flag of Canada
30.00
sportula
01
flag of United States
30.00
tdorn99
01
flag of United States
30.00
daisyyu1990
01
flag of United States
30.00
suleka999
01
flag of United States
30.00
davidkhuu
01
flag of Canada
30.00
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