Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
115028
flag of United States
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115028
flag of India
00.00
115028
flag of India
00.00
115028
flag of India
00.00
115028
flag of United Kingdom
00.00
115028
flag of India
00.00
115028
flag of Taiwan
00.00
115028
flag of Egypt
00.00
115028
flag of India
00.00
115028
flag of Brazil
00.00
115028
flag of India
00.00
115028
flag of United States
00.00
115028
flag of India
00.00
115028
flag of United States
00.00
115028
flag of India
00.00
115028
flag of India
00.00
115028
flag of India
00.00
115028
flag of India
00.00
115028
flag of Sudan
00.00
115028
flag of
00.00
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