How Many Substrings?

Hacker
Rank
Score
01
flag of Japan
100.00
01
flag of Switzerland
100.00
01
flag of Estonia
100.00
01
flag of Russian Federation
100.00

[deleted]

01
flag of null
100.00
01
flag of India
100.00
01
flag of Bangladesh
100.00
01
flag of India
100.00
01
flag of France
100.00
01
flag of India
100.00
01
flag of Viet Nam
100.00
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