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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
xikxp1
01
30.00
vivian_yamassaki
01
30.00
j_o_k_e_r
01
30.00
rajiv_nagarmath
01
30.00
chopra_hitendra
01
30.00
dhldxy
01
30.00
aysun_emir
01
30.00
povinellir
01
30.00
tipepro
01
30.00
alexfrommsk
01
30.00
abdoudou
01
30.00
emckee
01
30.00
Chicane5
01
30.00
KayvanSylvan
01
30.00
Sriee
01
30.00
raven_asu
01
30.00
dmg2014
01
30.00
patrickw
01
30.00
khuongnd
01
30.00
njakkaraj
01
30.00
1
...
140
141
142
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7983
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