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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
richard291
01
30.00
nandinijaiswal61
01
30.00
truongvy99413
01
30.00
ishitasinghal989
01
30.00
joelonah5
01
30.00
anvithareddykal1
01
30.00
h23051943
01
30.00
ehenewamogne
01
30.00
hoanganhvuz2103
01
30.00
jadson_sousamat1
01
30.00
tsaian20133
01
30.00
vishidubey1112
01
30.00
haoyileslieluo
01
30.00
conorhbriggs
01
30.00
23A31A4265
01
30.00
zich1
01
30.00
agarwalkittu30
01
30.00
alikagan_yesil
01
30.00
geramacias3312
01
30.00
23A31A05F3
01
30.00
1
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8121
8122
8123
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8206
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