public void Sort(ref int[] array) { _positionalNumber = SetNumberLength(array); for (int i = 1; i <= _positionalNumber; i++) { Buckets tmpBuckets = new Buckets(); for (int j = 0; j < array.Length; j++) { string tmpToString = array[j].ToString(); if (tmpToString.Length < i) { tmpBuckets.InputBucket(0, array[j]); } else { tmpBuckets.InputBucket(int.Parse(tmpToString[tmpToString.Length - i].ToString()), array[j]); } } array = tmpBuckets.GetArray(); } }