1588. Sum of All Odd Length Subarrays

// 1588. Sum of All Odd Length Subarrays
// Runtime: 2 ms, faster than 50.65% of Java online submissions for Sum of All Odd Length Subarrays.
// Memory Usage: 36 MB, less than 99.88% of Java online submissions for Sum of All Odd Length Subarrays.

public int sumOddLengthSubarrays(int[] arr) {
        int subArrLength=1,totalSum=0;
        
        while(subArrLength<=arr.length){
            for(int i=0;i<=arr.length-subArrLength;i+=1){
                for(int j=i;j<i+subArrLength && j<arr.length;j++){
                    totalSum+=arr[j];
                }
            }
            subArrLength+=2;
        }
        return totalSum;
    }
}