Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
115222
flag of Hong Kong
00.00
115222
flag of United States
00.00
115222
flag of India
00.00
115222
flag of United States
00.00
115222
flag of India
00.00
115222
flag of
00.00
115222
flag of India
00.00
115222
flag of United States
00.00
115222
flag of United States
00.00
115222
flag of United States
00.00
115222
flag of India
00.00
115222
flag of India
00.00
115222
flag of United States
00.00
115222
flag of India
00.00
115222
flag of United States
00.00
115222
flag of United States
00.00
115222
flag of Uruguay
00.00
115222
flag of India
00.00
115222
flag of India
00.00
115222
flag of United States
00.00
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