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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
gammax
01
flag of Italy
30.00
velasco622
01
flag of United States
30.00
Lkyashu
01
flag of India
30.00
rafapages
01
flag of Spain
30.00
Tasmajdan
01
flag of United States
30.00
ywliao
01
flag of United States
30.00
vinu91
01
flag of India
30.00
ennorehling
01
flag of Norway
30.00
Dimitri777
01
flag of Russian Federation
30.00
austinmw89
01
flag of United States
30.00
jericopingul
01
flag of Ireland
30.00
zachary_fields
01
flag of United States
30.00
stevenxufan
01
flag of Singapore
30.00
dindras
01
flag of Republic of Lithuania
30.00
gurmeet_singh
01
flag of India
30.00
bakirov
01
flag of Kazakhstan
30.00
gshakergayen
01
flag of India
30.00
kshk123
01
flag of Germany
30.00
rrampage
01
flag of India
30.00
thaklos
01
flag of Canada
30.00
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