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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
silvericewings
01
flag of India
30.00
ybw202056
01
flag of China
30.00
dhbarnett
01
flag of United States
30.00
pleung
01
flag of Sweden
30.00
jujubeans722
01
flag of United States
30.00
neroy
01
flag of United States
30.00
sc0ticus
01
flag of United States
30.00
juper007
01
flag of United States
30.00
eadesimone
01
flag of Argentina
30.00
bezformy
01
flag of Hungary
30.00
bc23shit
01
flag of United Kingdom
30.00
Ahavaz
01
flag of Brazil
30.00
enescevik
01
flag of Turkey
30.00
basav_d
01
flag of India
30.00
abaronb
01
flag of Spain
30.00
nsoundarya
01
flag of Singapore
30.00
alexlittlejohn
01
flag of South Africa
30.00
mstrhh
01
flag of Germany
30.00
heySourabh
01
flag of India
30.00
christo_yovchev
01
flag of Bulgaria
30.00
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