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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
Nerlant
01
flag of Germany
30.00
Etienne155
01
flag of Canada
30.00
lewis_sobot
01
flag of Canada
30.00
mrUwa
01
flag of Poland
30.00
mareedum
01
flag of United States
30.00
BryanCao
01
flag of Japan
30.00

[deleted]

01
flag of null
30.00
seanjmcinally
01
flag of Canada
30.00
ctrl_alt_dtl
01
flag of United States
30.00
nicoleneo
01
flag of United Kingdom
30.00
goldensheep
01
flag of United States
30.00
sandeep_handa
01
flag of India
30.00
navjot7
01
flag of India
30.00
jeril4u
01
flag of India
30.00
amddel
01
flag of United States
30.00
lolnut
01
flag of Bulgaria
30.00
girijah
01
flag of Sri Lanka
30.00
thiloshon
01
flag of Sri Lanka
30.00
meher_ranjan
01
flag of India
30.00
izabkiel
01
flag of Poland
30.00
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