Insert a node at the head of a linked list

Hacker
Rank
Score
360815
flag of Vietnam
00.00
360815
flag of Sweden
00.00
360815
flag of United States
00.00
360815
flag of South Korea
00.00
360815
flag of India
00.00
360815
flag of United States
00.00
360815
flag of India
00.00
360815
flag of India
00.00
360815
flag of India
00.00
360815
flag of United States
00.00
360815
flag of United States
00.00
360815
flag of Romania
00.00
360815
flag of Canada
00.00
360815
flag of India
00.00
360815
flag of India
00.00
360815
flag of Mexico
00.00
360815
flag of Singapore
00.00
360815
flag of India
00.00
360815
flag of India
00.00
360815
flag of Singapore
00.00
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