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boolean firstLastEqualsDoubleMiddle(int[] nums). Given an array of ints which has an odd length, return true if the sum of the first and last elements equals twice the value of the middle element. firstLastEqualsDoubleMiddle([1, 1, 1]) → true firstLastEqualsDoubleMiddle([8, 7, 6]) → true firstLastEqualsDoubleMiddle([10, 20, 30, 40, 50]) → true ...Save, Compile, Run (ctrl-enter) |
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Difficulty: 105
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