Reverse a doubly linked list

Hacker
Rank
Score
01
flag of United States
100.00
01
flag of United States
100.00
01
flag of India
100.00
01
flag of Russia
100.00
01
flag of Turkey
100.00
01
flag of Netherlands
100.00
01
flag of Singapore
100.00
01
flag of United States
100.00
01
flag of United States
100.00
01
flag of Russia
100.00
01
flag of Turkey
100.00
01
flag of United Kingdom
100.00
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