Convert Binary Number in a Linked List to Integer
Easy
Provided head which is a reference node to a singly-linked list. The value of each node in the linked list is either 0 or 1. The linked list holds the binary representation of a number.
Produce the decimal value of the number in the linked list.
The most significant bit is at the head of the linked list.
Example 1
Input: head = [1,0,1]
Output: 5
Explanation: (101) in base 2 = (5) in base 10
Example 2
Input: head = [0]
Output: 0
Constraints
- The Linked List is not empty.
- Number of nodes will not exceed
30. - Each node's value is either
0or1.
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