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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
ovan10
01
flag of United States
30.00
josh_jiao_322
01
flag of Hungary
30.00
aurumcodes
01
flag of India
30.00
capjan
01
flag of Germany
30.00
ssathishmurugan
01
flag of Australia
30.00
yil031
01
flag of United States
30.00
venkatc77
01
flag of United States
30.00
mest009
01
flag of Australia
30.00
bryan_urakawa
01
flag of United States
30.00
Buiwsterd
01
flag of Netherlands
30.00
hNrChVz
01
flag of United States
30.00
killerpennywise1
01
flag of United States
30.00
alexc957
01
flag of Ecuador
30.00
luis4utoo
01
flag of United Kingdom
30.00
janhavisrivasta1
01
flag of India
30.00
tom_welsh
01
flag of Australia
30.00
dan_maximov
01
flag of Russian Federation
30.00
bhagyasree5333
01
flag of India
30.00
AmritD
01
flag of United States
30.00
jamithnimantha
01
flag of Sri Lanka
30.00
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