Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
94672
flag of India
22.386
94672
flag of United States
22.386
94672
flag of United States
22.386
94672
flag of India
22.386
94672
flag of India
22.386
94672
flag of India
22.386
94672
flag of India
22.386
94672
flag of India
22.386
94672
flag of India
22.386
94672
flag of United States
22.386
94672
flag of Mexico
22.386
94672
flag of India
22.386
94672
flag of India
22.386
94672
flag of India
22.386
94672
flag of India
22.386
94672
flag of Mexico
22.386
94672
flag of United States
22.386
94672
flag of United States
22.386
94672
flag of India
22.386
94672
flag of India
22.386
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