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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
miriam9
01
flag of Germany
30.00
vabonnement94
01
flag of France
30.00
romiljain4570
01
flag of India
30.00
ravimadhumitha11
01
flag of India
30.00
devashiskhandel1
01
flag of India
30.00

[deleted]

01
flag of null
30.00
yanger842
01
flag of Canada
30.00
anollymishra31
01
flag of India
30.00
william_boccard
01
flag of United States
30.00
littlegreenbagg
01
flag of Russian Federation
30.00
rafi_cse_ru
01
flag of Bangladesh
30.00
iamfearfullymade
01
flag of Philippines
30.00
4gw18cs059
01
flag of India
30.00
nfebrian13
01
flag of Indonesia
30.00
yanxusheng2013
01
flag of United States
30.00
jitendrakumarti1
01
flag of India
30.00
anushkasoni436
01
flag of India
30.00
md_ariful_bd
01
flag of Canada
30.00
ade_anugerahtb
01
flag of Indonesia
30.00
matas_lauzadis
01
flag of United States
30.00
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