Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
115220
flag of United States
00.00
115220
flag of United States
00.00
115220
flag of India
00.00
115220
flag of India
00.00
115220
flag of Germany
00.00
115220
flag of India
00.00
115220
flag of Brazil
00.00
115220
flag of Turkey
00.00
115220
flag of United States
00.00
115220
flag of India
00.00
115220
flag of Australia
00.00
115220
flag of Israel
00.00
115220
flag of India
00.00
115220
flag of United States
00.00
115220
flag of United States
00.00
115220
flag of Russia
00.00
115220
flag of Mexico
00.00
115220
flag of Mexico
00.00
115220
flag of India
00.00
115220
flag of
00.00
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