Sherlock and the Valid String

Hacker
Rank
Score
200899
flag of Romania
24.034
200899
flag of India
24.034
200899
flag of India
24.034
200899
flag of United States
24.034
200899
flag of India
24.034
200899
flag of Armenia
24.034
200899
flag of India
24.034

[deleted]

200899
flag of null
24.034
200899
flag of Vietnam
24.034
200899
flag of United States
24.034
200899
flag of India
24.034
200899
flag of Australia
24.034
200899
flag of United States
24.034
200899
flag of India
24.034
200899
flag of United States
24.034
200899
flag of India
24.034
200899
flag of United Kingdom
24.034
200899
flag of India
24.034
200899
flag of India
24.034
200899
flag of United States
24.034
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