Is This a Binary Search Tree?

Hacker
Rank
Score
100430
flag of India
00.00
100430
flag of United States
00.00
100430
flag of Thailand
00.00
100430
flag of Russian Federation
00.00
100430
flag of Singapore
00.00
100430
flag of United States
00.00
100430
flag of Vietnam
00.00
100430
flag of India
00.00
100430
flag of India
00.00
100430
flag of India
00.00
100430
flag of Turkey
00.00
100430
flag of United Kingdom
00.00
100430
flag of India
00.00
100430
flag of India
00.00
100430
flag of India
00.00
100430
flag of United States
00.00
100430
flag of Argentina
00.00
100430
flag of United States
00.00
100430
flag of India
00.00
100430
flag of Canada
00.00
Items per page:
Select...