Insert a node at the head of a linked list

Hacker
Rank
Score
370570
flag of India
00.00
370570
flag of Vietnam
00.00
370570
flag of India
00.00
370570
flag of India
00.00
370570
flag of India
00.00
370570
flag of United States
00.00
370570
flag of Taiwan
00.00
370570
flag of India
00.00
370570
flag of Palestinian Territory, Occupied
00.00
370570
flag of Canada
00.00
370570
flag of United States
00.00
370570
flag of United States
00.00
370570
flag of Ukraine
00.00
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