Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
94667
flag of Brazil
22.386
94667
flag of Israel
22.386
94667
flag of India
22.386
94667
flag of United States
22.386
94667
flag of India
22.386
94667
flag of Romania
22.386
94667
flag of United States
22.386
94667
flag of United States
22.386
94667
flag of United States
22.386
94667
flag of India
22.386
94667
flag of Egypt
22.386
94667
flag of Indonesia
22.386
94667
flag of United States
22.386
94667
flag of Italy
22.386
94667
flag of India
22.386
94667
flag of Canada
22.386
94667
flag of Spain
22.386
94667
flag of Canada
22.386
94667
flag of Indonesia
22.386
94667
flag of Canada
22.386
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