1460. Make Two Arrays Equal by Reversing Sub-arrays

1460. Make Two Arrays Equal by Reversing Sub-arrays

class Solution {
    public boolean canBeEqual(int[] target, int[] arr) {
        HashMap<Integer,Integer> h = new HashMap<>();
        for (int a: arr){
            h.put(a ,h.getOrDefault(a,0)+1);
        }
        for(int b: target){
            if(h.get(b)!= null)
            h.put(b,h.getOrDefault(b,0)-1);
            else return false;
        }
        for(int c: h.keySet()){
            if(h.get(c) != 0) return false;
        }
        return true;
    }
}

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