Is This a Binary Search Tree?

Hacker
Rank
Score
100344
flag of Mexico
00.00
100344
flag of India
00.00
100344
flag of France
00.00
100344
flag of Indonesia
00.00
100344
flag of Japan
00.00
100344
flag of India
00.00
100344
flag of India
00.00
100344
flag of Netherlands
00.00
100344
flag of Serbia
00.00
100344
flag of United States
00.00
100344
flag of United States
00.00
100344
flag of United States
00.00
100344
flag of India
00.00
100344
flag of Belgium
00.00
100344
flag of India
00.00
100344
flag of United States
00.00
100344
flag of United States
00.00
100344
flag of Vietnam
00.00
100344
flag of United States
00.00
100344
flag of India
00.00
Items per page:
Select...