Poison

27. Remove Element

发表于
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class Solution {
    public int removeElement(int[] nums, int val) {
        int i = 0;
        for (int j = 0; j < nums.length; j++) {
            if (nums[j] != val) {
                nums[i++] = nums[j];
            }
        }

        return i;
    }
}
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class Solution {
    public int removeElement(int[] nums, int val) {
        int i = 0, j = nums.length - 1;
        while (i <= j) {
            if (nums[i] == val) {
                nums[i] = nums[j--];
            } else {
                i++;
            }
        }

        return i;
    }
}
Reference

27. Remove Element