Reverse a doubly linked list

Hacker
Rank
Score
9585
flag of United States
00.00
9585
flag of India
00.00
9585
flag of United States
00.00
9585
flag of United Kingdom
00.00
9585
flag of India
00.00
9585
flag of India
00.00
9585
flag of India
00.00
9585
flag of India
00.00
9585
flag of India
00.00
9585
flag of Taiwan
00.00
9585
flag of United States
00.00
9585
flag of India
00.00
9585
flag of
00.00
9585
flag of United States
00.00
9585
flag of India
00.00
9585
flag of India
00.00
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