Is This a Binary Search Tree?

Hacker
Rank
Score
100346
flag of United States
00.00
100346
flag of Germany
00.00
100346
flag of India
00.00
100346
flag of Ireland
00.00
100346
flag of India
00.00
100346
flag of United States
00.00
100346
flag of India
00.00
100346
flag of Jordan
00.00
100346
flag of United States
00.00
100346
flag of India
00.00
100346
flag of India
00.00
100346
flag of India
00.00
100346
flag of India
00.00
100346
flag of Kazakhstan
00.00
100346
flag of India
00.00
100346
flag of India
00.00
100346
flag of India
00.00
100346
flag of United States
00.00
100346
flag of India
00.00
100346
flag of United States
00.00
Items per page:
Select...