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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
madanaa
01
flag of India
30.00
ngongang_adalbe1
01
flag of United Kingdom
30.00
gvpnatjihttzvof1
01
flag of United States
30.00
osanllet
01
flag of Mexico
30.00
aaron_jiagen_wu
01
flag of Canada
30.00
gurwaranan
01
flag of United States
30.00
pavlinapetrova_1
01
flag of United Kingdom
30.00
ElisabethDawn
01
flag of United States
30.00
miGa77
01
flag of Germany
30.00
h2017143
01
flag of India
30.00
nivalderramas
01
flag of Colombia
30.00
edgonca_690
01
flag of Costa Rica
30.00
nileshthummar
01
flag of United States
30.00
marodriguezfu
01
flag of Colombia
30.00
jpinerez
01
flag of Colombia
30.00
javDevo
01
flag of United States
30.00
crubioa
01
flag of Colombia
30.00
yanhuan_cheng
01
flag of United States
30.00
swarupm
01
flag of India
30.00
nss8889
01
flag of India
30.00
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