Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
94660
flag of Mexico
22.386
94660
flag of Canada
22.386
94660
flag of United States
22.386
94660
flag of India
22.386
94660
flag of India
22.386
94660
flag of United States
22.386
94660
flag of Spain
22.386
94660
flag of Japan
22.386
94660
flag of United States
22.386
94660
flag of United States
22.386
94660
flag of India
22.386
94660
flag of United States
22.386
94660
flag of India
22.386
94660
flag of France
22.386
94660
flag of United Kingdom
22.386
94660
flag of United States
22.386
94660
flag of United States
22.386
94660
flag of Bangladesh
22.386
94660
flag of India
22.386
94660
flag of India
22.386
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