Slow passing cars lesson 3

slow Passing cars lesson3

import java.util.BitSet;
import java.util.stream.IntStream;
class Solution {
    public int solution(int[] A) {
        // write your code in Java SE 8
        BitSet bs=new BitSet(A.length+1);
        //IntStream.of(A).filter(p->p==1).forEach(i->bs.set(i));
        for(int set=0;set<A.length;set++){
            if(A[set]==1){                
            bs.set(set,true);
            }else{                
            bs.set(set,false);
            }
        }
        int count=0;
        for(int index=bs.nextClearBit(0);index<bs.length();){
            bs.set(0,index,false);
            count+=bs.cardinality();
            index=bs.nextClearBit(index+1);
        }
      return count;  
    }
}