1 #include <iostream>
2 #include <vector>
3
4 using namespace std;
5
6 class Solution {
7 public:
8 int removeElement(vector<int>& nums, int val)
9 {
10 int num = nums.size();
11 int j = 0;
12 for (int i = 0; i < num; i++)
13 {
14 if (nums[i] == val) continue;
15 else
16 {
17 nums[j] = nums[i];
18 j += 1;
19 }
20 }
21 return j;
22 }
23 };
24
25 int main()
26 {
27 vector<int> nums = {3,2,2,3};
28 Solution sol;
29 int result;
30 int val = 3;
31 result = sol.removeElement(nums,val);
32 cout << result << endl;
33
34 cout << '[';
35 for (int i = 0; i < result; i++)
36 {
37 cout << nums[i] << ' ';
38 }
39 cout << ']';
40 int p;
41 cin >> p;
42 return 0;
43 }
