How Many Substrings?

Hacker
Rank
Score
9121
flag of Canada
00.00
9121
flag of India
00.00

[deleted]

9121
flag of null
00.00
9121
flag of Turkey
00.00
9121
flag of India
00.00
9121
flag of Russian Federation
00.00
9121
flag of India
00.00
9121
flag of India
00.00
9121
flag of India
00.00
9121
flag of India
00.00
9121
flag of France
00.00
9121
flag of India
00.00
9121
flag of India
00.00
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