Sherlock and the Valid String

Hacker
Rank
Score
196253
flag of United States
20.587
196253
flag of Georgia
20.587
196253
flag of India
20.587
196253
flag of India
20.587
196253
flag of India
20.587
196253
flag of India
20.587
196253
flag of Singapore
20.587
196253
flag of Poland
20.587
196253
flag of India
20.587
196253
flag of India
20.587
196253
flag of India
20.587
196253
flag of India
20.587
196253
flag of India
20.587
196253
flag of India
20.587
196253
flag of India
20.587
196253
flag of India
20.587

[deleted]

196253
flag of null
20.587
196253
flag of India
20.587
196253
flag of Georgia
20.587
196253
flag of India
20.587
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