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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
selcukbilgen
01
flag of Turkey
30.00
velzepooz
01
flag of Ukraine
30.00
h23051980
01
flag of India
30.00
harryarcher1202
01
flag of India
30.00
abhijithus_sct
01
flag of India
30.00
randall_metzger
01
flag of United States
30.00
24pa1a4558
01
flag of India
30.00
j_mladenoff
01
flag of United States
30.00
dpwls911
01
flag of United States
30.00
joudymohabb
01
flag of Egypt
30.00
vinot84
01
flag of United States
30.00
venkatramone
01
flag of United States
30.00
vedprakash_19
01
flag of India
30.00
c919900
01
flag of Canada
30.00
sharathdhondi
01
flag of India
30.00
yapjinnming
01
flag of Hong Kong
30.00
amovva6
01
flag of United States
30.00
nikamashish1125
01
flag of India
30.00
muhammadsharafa1
01
flag of Pakistan
30.00
stephenouma452
01
flag of Kenya
30.00
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