27. Remove Element - cocoder39/coco39_LC GitHub Wiki

27. Remove Element

int removeElement(vector<int>& nums, int val) {
        int k = 0;
        for (int i = 0; i < nums.size(); i++) {
            if (nums[i] != val) {
                swap(nums[i], nums[k++]);
            }
        }
        return k;
    }
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