1 class Solution { 2 public: 3 int removeElement(int A[], int n, int elem) { 4 int index = 0; 5 for (int i = 0; i < n; i++) { 6 if (A[i] != elem) { 7 A[index++] = A[i]; 8 } 9 } 10 return index; 11 } 12 };