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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
danielfuentesga1
01
flag of Mexico
30.00
av7098668751
01
flag of India
30.00
Maxavierich
01
flag of Russian Federation
30.00
morales_david191
01
flag of United States
30.00
fabio_disilv
01
flag of Italy
30.00
rhyn0bytes
01
flag of United States
30.00
a_mcevoy
01
flag of Ireland
30.00
josepp
01
flag of Ireland
30.00
juandlopezb160
01
flag of Colombia
30.00
igorpportella
01
flag of Brazil
30.00
houdaa
01
flag of Algeria
30.00
sakamakicharlie
01
flag of United States
30.00
vinimadureira
01
flag of Brazil
30.00
eehuangqianwen
01
flag of China
30.00
aamartinez97
01
flag of United States
30.00
rupamghosh_123
01
flag of India
30.00
kolambe_neha36
01
flag of India
30.00
Dextrolaev
01
flag of India
30.00
ap0170462
01
flag of India
30.00
dksharma8115
01
flag of India
30.00
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