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sumEvenIndex


public int sumEvenIndex(int[] nums). Given an array of integers, return the sum of the numbers at the even-indexed positions.


sumEvenIndex([0, 1, 2, 3]) → 2
sumEvenIndex([1, 2, 3, 4]) → 4
sumEvenIndex([0, 1, 2, 3, 4, 5, 6]) → 12

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public int sumEvenIndex(int[] nums) { }

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