If 99 apples are to be distributed to a group of children, and the number of apples distributed to each child must be different, and each child must have at least one apple, then the maximum number of children in this group.
99个苹果要分给一群小朋友，每个小朋友分得的苹果数都要不一样，且每个小朋友都至少要有一个苹果，则这群小朋友最多有多少位．
<result>13</result>