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Given an array of ints, return the number of two’s in the array. count2s([2, 3, 2, 2, 4, 2]) → 4 count2s([2, 3, 2, 2, 4, 2, 2]) → 5 count2s([1, 2, 3, 4]) → 1 ...Save, Compile, Run (ctrl-enter) |
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Difficulty: 250
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