Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...

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public static void merge(int[] nums1, int m, int[] nums2, int n) { int i = m - 1; // pointer at end of real elements in nums1 int j = n - 1; // pointer at end of nums2 int k = m + n - 1; // pointer at ...

You are given a sorted array of integers, nums, where all integers appear twice except for one. Your task is to find and return the single integer that appears only once.