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                >[danger]代碼題:給一個有序數組和一個數字,要求返回該數字在有序數組中出現的起始位置和結束位置。 ~~~ const arr = [1, 1, 2, 2, 2, 3, 4]; const n = 2; getPosition(arr, n); // 輸出: [2, 4] ~~~
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