Insert a node at the head of a linked list

Hacker
Rank
Score
360622
flag of Dominican Republic
00.00
360622
flag of United States
00.00
360622
flag of United States
00.00
360622
flag of United States
00.00
360622
flag of Armenia
00.00
360622
flag of India
00.00
360622
flag of Ukraine
00.00
360622
flag of India
00.00

[deleted]

360622
flag of null
00.00
360622
flag of India
00.00
360622
flag of India
00.00
360622
flag of India
00.00
360622
flag of Turkey
00.00
360622
flag of India
00.00
360622
flag of India
00.00
360622
flag of India
00.00
360622
flag of India
00.00
360622
flag of United States
00.00
360622
flag of India
00.00
360622
flag of India
00.00
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