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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
RuReas
01
flag of Russian Federation
30.00
orenf
01
flag of United States
30.00
Malathiern
01
flag of United States
30.00
eddysant
01
flag of Canada
30.00
msharma6
01
flag of United States
30.00
TrevorK
01
flag of United States
30.00
syndow
01
flag of Bulgaria
30.00
sahilvv
01
flag of United States
30.00
TheSoKaI
01
flag of Poland
30.00
pursue
01
flag of United States
30.00
asmukane
01
flag of India
30.00
kpunith8
01
flag of India
30.00
hugo_posca
01
flag of Brazil
30.00
shinejk
01
flag of South Korea
30.00
aaronpena
01
flag of United States
30.00
rktaxali
01
flag of Canada
30.00
kmkrn
01
flag of Poland
30.00
EliahKagan
01
flag of United States
30.00
ian_busko
01
flag of United States
30.00
gtkirk
01
flag of United States
30.00
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