Less Than (6): Everything in this space must be less than 6. The answer is 1-3, placed horizontally.
- 父节点i的左子: 2*i+1, 右子: 2*i+2
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Oracle cofounder and chairman Larry Ellison. His son, David Ellison, is CEO and controlling owner of Paramount Skydance.Photograph: Anna Moneymaker/Getty Images