Count the number of elements in an Array

Hacker
Rank
Score
01
flag of Canada
01.00
01
flag of Sri Lanka
01.00
01
flag of Serbia
01.00
01
flag of United States
01.00
01
flag of United States
01.00

[deleted]

01
flag of null
01.00
01
flag of India
01.00
01
flag of United States
01.00
01
flag of United Kingdom
01.00
01
flag of United States
01.00
01
flag of Kuwait
01.00
01
flag of United States
01.00
01
flag of United States
01.00
01
flag of Sweden
01.00
01
flag of United States
01.00
01
flag of Australia
01.00
01
flag of India
01.00
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