Leetcode Problem 2342. Max Sum of a Pair With Equal Sum of Digits

2342. Max Sum of a Pair With Equal Sum of Digits

Leetcode Solutions

Create a HashMap digitSumMap to store the maximum two numbers for each sum of digits.
Initialize a variable maxSum to -1 to keep track of the maximum sum.
Iterate through each number in the nums array. a. Calculate the sum of digits for the current number. b. If the sum of digits is not in digitSumMap, add it with the current number. c. If it is in digitSumMap, update the stored values if the current number is larger. d. If there are two numbers stored for this sum of digits, calculate their sum and update maxSum if it's larger.
Return maxSum.

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