27. Remove Element

k停在坑里,i向前试探不等于val的值。

public int removeElement(int[] nums, int val) {
    int k = 0;
    for (int i = 0; i < nums.length; i++) {
        if (nums[i] != val) {
            nums[k++] = nums[i];
        }
    }
    return k;
}

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