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| Given an array, are there 2 side-by-side numbers that add up to the specified target? targetPair([3, 4, 7], 11) → true targetPair([1, 2, 8, 20], 21) → false targetPair([3, -3], 0) → true ...Save, Compile, Run (ctrl-enter) | 
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Difficulty: 200
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