【数组】905. 按奇偶排序数组

 1 class Solution {
 2 public:
 3     vector<int> sortArrayByParity(vector<int>& A) 
 4     {
 5         int l = 0;
 6         for (int r = 0; r < A.size(); r++)
 7         {
 8             if ((A[r] & 1) != 0) 
 9             {
10                 continue;
11             }
12             swap(A[l++], A[r]);
13         }
14         return A;
15     }
16 };