Given head which is a reference node to a singly-linked list. The value of each node in the linked list is either 0or 1. The linked list holds the binary representation of a number. Return the decimal value of the number in the linked list.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Given head which is a reference node to a singly-linked list. The value of each node in the linked list is either 0or 1. The linked list holds the binary representation of a number.

Return the decimal value of the number in the linked list.

 

Example 1:

Diagram for example 1 attached

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 0 or 1.

 

 
Example 1:
1
1
Transcribed Image Text:Example 1: 1 1
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