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2098. Subsequence of Size K With the Largest Even Sum (Medium)

Related Topics

[Greedy] [Array] [Sorting]

Hints

Hint 1

Is the sum of two even numbers even or odd? How about two odd numbers? One odd number and one even number?

Hint 2

If there is an even number of odd numbers, the sum will be even and vice versa.

Hint 3

Create an integer array to store all the even numbers in nums and another array to store all the odd numbers in nums. Sort both arrays.