Insert a node at the head of a linked list

Hacker
Rank
Score
360778
flag of Taiwan
00.00
360778
flag of United States
00.00
360778
flag of India
00.00
360778
flag of Italy
00.00
360778
flag of Bangladesh
00.00
360778
flag of India
00.00
360778
flag of India
00.00
360778
flag of India
00.00
360778
flag of India
00.00
360778
flag of India
00.00
360778
flag of Viet Nam
00.00
360778
flag of Bangladesh
00.00
360778
flag of United States
00.00

[deleted]

360778
flag of null
00.00
360778
flag of India
00.00
360778
flag of India
00.00
360778
flag of Indonesia
00.00
360778
flag of Egypt
00.00
360778
flag of India
00.00
360778
flag of United States
00.00
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