Is This a Binary Search Tree?

Hacker
Rank
Score
100309
flag of India
00.00
100309
flag of India
00.00
100309
flag of United States
00.00
100309
flag of India
00.00
100309
flag of India
00.00
100309
flag of India
00.00
100309
flag of India
00.00
100309
flag of India
00.00
100309
flag of India
00.00
100309
flag of India
00.00
100309
flag of Viet Nam
00.00
100309
flag of India
00.00
100309
flag of India
00.00
100309
flag of India
00.00
100309
flag of United States
00.00
100309
flag of India
00.00
100309
flag of United States
00.00
100309
flag of United States
00.00
100309
flag of India
00.00
100309
flag of United States
00.00
Items per page:
Select...