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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
prog101
01
flag of India
30.00
masonmem
01
flag of United States
30.00
stma7
01
flag of Hungary
30.00
skylazart
01
flag of Canada
30.00
whulucy123
01
flag of United States
30.00
sbiscigl
01
flag of United States
30.00
kirillkor
01
flag of United States
30.00
rosa_kaninchen
01
flag of Germany
30.00
kat00
01
flag of United States
30.00
SriVishnuThatsit
01
flag of United States
30.00
Lev306
01
flag of United States
30.00
Phazerz
01
flag of United States
30.00
SarfrazAnwar
01
flag of Pakistan
30.00
stelonka
01
flag of United States
30.00
aashaysinghai
01
flag of India
30.00
gfierro86
01
flag of Italy
30.00
askiehl
01
flag of United States
30.00
arora_anand87
01
flag of India
30.00
Tzupy
01
flag of Romania
30.00
caramida
01
flag of Romania
30.00
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