leetcode-----27. 移除元素

• 链接：https://leetcode-cn.com/problems/remove-element/

代码

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