Leetcode Problem 2544. Alternating Digit Sum

2544. Alternating Digit Sum

Leetcode Solutions

Iterative Sign Alternation

Convert the integer n to a string or a list of digits.
Initialize a variable sum to 0 to store the result.
Iterate through the digits using their index.
If the index is even, add the digit to sum.
If the index is odd, subtract the digit from sum.
Return the sum as the final result.

Direct Arithmetic with Sign Alternation

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