solvingalgo
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solvingalgo

Find the Element that Appears Once

Problem

In an unsorted array of integers, every element appears twice except for one element that appears only once. Return this element.Example:Input: a=[1, 4, 2, 4, 1, 3, 2]
Output: 3
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Teiva Harsanyi

Software Engineer @Docker 🐳 | 📖 100 Go Mistakes author | 改善