Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
94672
flag of Egypt
22.386
94672
flag of India
22.386
94672
flag of India
22.386
94672
flag of United States
22.386
94672
flag of Taiwan
22.386
94672
flag of Canada
22.386
94672
flag of Bangladesh
22.386
94672
flag of Armenia
22.386
94672
flag of India
22.386
94672
flag of Brazil
22.386
94672
flag of Italy
22.386
94672
flag of Canada
22.386
94672
flag of India
22.386
94672
flag of Switzerland
22.386
94672
flag of United States
22.386
94672
flag of India
22.386
94672
flag of India
22.386
94672
flag of Nigeria
22.386
94672
flag of United States
22.386
94672
flag of India
22.386
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