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Add Two Numbers as Linked Lists - Trilogy

You're given 2 huge integers represented by linked lists. Each linked list element is a number from 0 to 9999 that represents a number with exactly 4 digits. The represented number might have leading zeros. Your task is to add up these huge integers and return the result in the same format.

Example 1:

Input:[[9876,5432,1999],[1,8001]]

Output:[9876,5434,0]

Example 2:

Input:[[123,4,5],[100,100,100]]

Output:[223,104,105]

Constraints:

0 ≤ a size ≤ 10^4, 0 ≤ element value ≤ 9999

solution.cpp

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Add Two Numbers as Linked Lists - Trilogy

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You're given 2 huge integers represented by linked lists. Each linked list element is a number from 0 to 9999 that represents a number with exactly 4 digits. The represented number might have leading zeros. Your task is to add up these huge integers and return the result in the same format.