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Prepare
Tutorials
30 Days of Code
Day 19: Interfaces
Leaderboard
Day 19: Interfaces
Problem
Submissions
Leaderboard
Discussions
Editorial
Tutorial
Reveal solutions
Hacker
Rank
Country
Score
jsrhu
01
30.00
ravi5
01
30.00
mwhiting
01
30.00
macavalon
01
30.00
upgrade6
01
30.00
shashi_dhuppe
01
30.00
yanhui82
01
30.00
emiusa
01
30.00
alexsofronia
01
30.00
navya_paladugu
01
30.00
bkm_hr
01
30.00
periwinkleid
01
30.00
nikhil_211
01
30.00
andreas_hultberg
01
30.00
sks007
01
30.00
DannyLee
01
30.00
PeterKeogh
01
30.00
Haiyan2
01
30.00
prthbiraj
01
30.00
dstoll7
01
30.00
1
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125
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7982
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