Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
92647
flag of United States
27.462
92647
flag of India
27.462
92647
flag of India
27.462
92647
flag of United States
27.462
92647
flag of United States
27.462
92647
flag of United States
27.462
92647
flag of United Kingdom
27.462
92647
flag of India
27.462
92647
flag of India
27.462
92647
flag of United States
27.462
92647
flag of Canada
27.462
92647
flag of Italy
27.462
92647
flag of United States
27.462
92647
flag of India
27.462
92647
flag of United States
27.462
92647
flag of United States
27.462
92647
flag of United States
27.462
92647
flag of United States
27.462
92647
flag of India
27.462
92647
flag of United States
27.462
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