Trees: Is This a Binary Search Tree?

Hacker
Rank
Score
99520
flag of Japan
17.538
99520
flag of India
17.538
99520
flag of United States
17.538
99520
flag of China
17.538
99520
flag of India
17.538
99520
flag of Israel
17.538
99520
flag of Israel
17.538
99520
flag of France
17.538
99520
flag of India
17.538
99520
flag of Germany
17.538
99520
flag of Taiwan
17.538
99520
flag of India
17.538
99520
flag of Lebanon
17.538
99520
flag of Tunisia
17.538
99520
flag of United States
17.538
99520
flag of United Kingdom
17.538
99520
flag of Brazil
17.538
99520
flag of Brazil
17.538
99520
flag of Poland
17.538
99520
flag of Philippines
17.538
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