Insert a node at the head of a linked list

Hacker
Rank
Score
371857
flag of Vietnam
00.00
371857
flag of Canada
00.00
371857
flag of India
00.00
371857
flag of India
00.00
371857
flag of United States
00.00
371857
flag of India
00.00
371857
flag of Vietnam
00.00
371857
flag of Vietnam
00.00
371857
flag of Vietnam
00.00
371857
flag of India
00.00
371857
flag of India
00.00
371857
flag of Vietnam
00.00
371857
flag of United States
00.00

[deleted]

371857
flag of null
00.00
371857
flag of India
00.00
371857
flag of India
00.00
371857
flag of Bangladesh
00.00
371857
flag of United States
00.00
371857
flag of United States
00.00
371857
flag of United States
00.00
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