#数组 #移除元素 #leetcode

remove_element_27.cpp

class Solution {
public:
    int removeElement(vector<int>& nums, int val) {
        auto iter = nums.begin();
        for (;iter != nums.end();) {
            if (*iter == val) {
                iter = nums.erase(iter);
            } else {
                iter++;
            }
        }
        return nums.size();
    }
};