Sherlock and the Valid String

Hacker
Rank
Score
194878
flag of Romania
24.707
194878
flag of India
24.707
194878
flag of India
24.707
194878
flag of India
24.707
194878
flag of India
24.707
194878
flag of India
24.707
194878
flag of India
24.707
194878
flag of Pakistan
24.707
194878
flag of India
24.707
194878
flag of Canada
24.707
194878
flag of India
24.707
194878
flag of India
24.707
194878
flag of Argentina
24.707
194878
flag of United States
24.707
194878
flag of Canada
24.707
194878
flag of India
24.707
194878
flag of United States
24.707

[deleted]

194878
flag of null
24.707
194878
flag of United States
24.707
194878
flag of Nepal
24.707
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