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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
aboutwith2175
01
30.00
leecheesiang
01
30.00
thisisarjunraj
01
30.00
smuzammil_bee171
01
30.00
Shasha_24
01
30.00
jjnooguatadr
01
30.00
csshambhavi123
01
30.00
wickathou
01
30.00
krishnathewunde1
01
30.00
sajid_sajid46761
01
30.00
furqanmm1997
01
30.00
thomasathul
01
30.00
atish_salgotra
01
30.00
[deleted]
01
30.00
ahmed97ali1911
01
30.00
badrejaha2001
01
30.00
pndong1986
01
30.00
umaidansari123
01
30.00
bhavnarawal30
01
30.00
lahari_tummalap1
01
30.00
1
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4577
4578
4579
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8263
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