java.lang.Object
g1201_1300.s1290_convert_binary_number_in_a_linked_list_to_integer.Solution

public class Solution extends java.lang.Object
1290 - Convert Binary Number in a Linked List to Integer.

Easy

Given 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.

Return the decimal value of the number in 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 0 or 1.
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    int
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • getDecimalValue

      public int getDecimalValue(ListNode head)