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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
jenikcermak
01
30.00
osteven
01
30.00
rajeshkarnena
01
30.00
imaginationsuper
01
30.00
WalkingCookie
01
30.00
SmritiMS
01
30.00
rohit_425s
01
30.00
cohen_tian
01
30.00
ale99
01
30.00
singhalpooja9
01
30.00
erdemdurgut
01
30.00
Joao611
01
30.00
tommyyummy
01
30.00
leex1528
01
30.00
DominicBG
01
30.00
darrenwa
01
30.00
Nswans
01
30.00
tamil1984
01
30.00
Korvinius
01
30.00
Mclumpry
01
30.00
1
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97
98
99
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7981
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