Instagram link:- / reelcoding
/ @reelcoding
Approach:-
Initialization:
A dummy node is created to help build the new linked list.
cur pointer is used to traverse the original linked list, and newCur pointer is used to build the new linked list.
Traverse and Sum:
We traverse the list and calculate the sum of values between zeros.
When a zero is encountered, a new node with the sum is added to the new linked list.
End of List:
The process continues until the end of the linked list is reached.
The dummy node's next pointer points to the head of the new linked list containing the merged nodes.
Time and Space Complexity:
Time Complexity:
Traversing the linked list: O(n) where n is the number of nodes in the linked list.
Overall time complexity: O(n).
Space Complexity:
Space for the new linked list: O(n) since we are creating a new linked list of nodes.
Overall space complexity: O(n).
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2181. Merge Nodes in Between Zeros
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