LeetCode ---Remove Element

Remove Element

Given an array and a value, remove all instances of that value in place and return the new length.

The order of elements can be changed. It doesn’t matter what you leave beyond the new length.

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My Submitted Code

class Solution {
public:
    int removeElement(int A[], int n, int elem) {
        int start=0;
        for(int i=0 ;i< n;i++){
            if(A[i]!=elem){
                A[start++]=A[i];
            }
        }
        return start;
    }
};