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.

 

 1 public class Solution {

 2     public int removeElement(int[] A, int elem) {

 3         // Note: The Solution object is instantiated only once and is reused by each test case.

 4         int start = 0;

 5         for(int i = 0; i < A.length; i ++){

 6             if(A[i] != elem){

 7                 A[start ++] = A[i];

 8             }

 9         }

10         return start;

11     }

12 }