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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
RamukLina07
01
30.00
chxia
01
30.00
techexplorer
01
30.00
thrawnsolo
01
30.00
artkh24
01
30.00
rikki0405
01
30.00
prita_yadav
01
30.00
samarthgupta9918
01
30.00
zxnak37
01
30.00
karthikrsn
01
30.00
starmm11
01
30.00
mhtarora17
01
30.00
antonkirillov
01
30.00
flyingpanda
01
30.00
AarishGumber
01
30.00
lostpebble
01
30.00
gabipetrovay
01
30.00
Gokul1491
01
30.00
talktojitesh
01
30.00
arpit_ajmera
01
30.00
1
...
85
86
87
...
7980
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