Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
94662
flag of Canada
22.386
94662
flag of India
22.386
94662
flag of India
22.386
94662
flag of India
22.386
94662
flag of Australia
22.386
94662
flag of India
22.386
94662
flag of Switzerland
22.386
94662
flag of India
22.386
94662
flag of Egypt
22.386
94662
flag of Canada
22.386
94662
flag of Viet Nam
22.386
94662
flag of India
22.386
94662
flag of India
22.386
94662
flag of India
22.386
94662
flag of Lebanon
22.386
94662
flag of United States
22.386
94662
flag of India
22.386
94662
flag of India
22.386
94662
flag of Canada
22.386
94662
flag of India
22.386
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