Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
94662
flag of India
22.386
94662
flag of India
22.386
94662
flag of India
22.386
94662
flag of United States
22.386
94662
flag of India
22.386
94662
flag of United Kingdom
22.386
94662
flag of India
22.386
94662
flag of India
22.386
94662
flag of India
22.386
94662
flag of United States
22.386
94662
flag of Israel
22.386
94662
flag of Portugal
22.386
94662
flag of United States
22.386
94662
flag of Argentina
22.386
94662
flag of India
22.386
94662
flag of India
22.386
94662
flag of United States
22.386
94662
flag of Australia
22.386
94662
flag of India
22.386

[deleted]

94662
flag of null
22.386
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