Whats wrong here guys,

static long countTriplets(List<Long> arr, long r) {

    Map<Long, Long> leftDict = new HashMap<>();
    Map<Long, Long> rightDict = new HashMap<>(); 
    long tot = 0;

    for(int i=0; i<arr.size(); i++){
        rightDict.put(arr.get(i), rightDict.getOrDefault(i, 0L)+1);
    }
    for(int i=0; i<arr.size(); i++){
        long curr = arr.get(i);
        long left = 0;
        long right = 0;

        rightDict.put(curr, rightDict.getOrDefault(curr, 0L) - 1);
        leftDict.put(curr, leftDict.getOrDefault(curr, 0L) + 1);

        if(leftDict.containsKey(curr/r) && curr % r == 0){
            left = leftDict.get(curr/r);
        }
        if(rightDict.containsKey(curr*r)){
            right = rightDict.get(curr*r);
        }
        tot = tot + left * right;
    }
    return tot;
}