程式語言 - LeetCode - C++ - 27. Remove Element



題目:


解答:

class Solution {
public:
    int removeElement(vector<int>& nums, int val) {
        int cnt = 0;

        for (int i = 0; i < nums.size(); ++i) {
            if (nums[i] != val) {
                nums[cnt++] = nums[i];
            }
        }

        return cnt;
    }
};