Create 1290. Convert Binary Number in a Linked List to Integer.cpp

Author: GouravSingh2580

SelfCoded/LinkedList/1290. Convert Binary Number in a Linked List to Integer.cpp

@@ -0,0 +1,21 @@
+class Solution {
+public:
+ int getDecimalValue(ListNode* head) 
+ {
+ ListNode* tmp=head;
+ int k=0;
+ while(tmp!=NULL)
+ {
+ tmp=tmp->next;
+ k++;
+ }
+ int sum=0;
+ while(head!=NULL)
+ {
+ sum+=pow(2,k-1) * head->val;
+ head=head->next;
+ k--;
+ }
+ return sum;
+ }
+};