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g1001_1100.s1089_duplicate_zeros.readme.md Maven / Gradle / Ivy

1089\. Duplicate Zeros

Easy

Given a fixed-length integer array `arr`, duplicate each occurrence of zero, shifting the remaining elements to the right.

**Note** that elements beyond the length of the original array are not written. Do the above modifications to the input array in place and do not return anything.

**Example 1:**

**Input:** arr = [1,0,2,3,0,4,5,0]

**Output:** [1,0,0,2,3,0,0,4]

**Explanation:** After calling your function, the input array is modified to: [1,0,0,2,3,0,0,4]

**Example 2:**

**Input:** arr = [1,2,3]

**Output:** [1,2,3]

**Explanation:** After calling your function, the input array is modified to: [1,2,3]

**Constraints:**

*   1 <= arr.length <= 104
*   `0 <= arr[i] <= 9`