Insert a node at the head of a linked list

Hacker
Rank
Score
360326
flag of Dominican Republic
00.00
360326
flag of United States
00.00
360326
flag of United States
00.00
360326
flag of United States
00.00
360326
flag of Armenia
00.00
360326
flag of India
00.00
360326
flag of Ukraine
00.00
360326
flag of India
00.00

[deleted]

360326
flag of null
00.00
360326
flag of India
00.00
360326
flag of India
00.00
360326
flag of India
00.00
360326
flag of Turkey
00.00
360326
flag of India
00.00
360326
flag of India
00.00
360326
flag of India
00.00
360326
flag of India
00.00
360326
flag of United States
00.00
360326
flag of India
00.00
360326
flag of India
00.00
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