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This story was originally featured on Fortune.com
If these Games felt political, just wait until Los Angeles a little more than two years from now.
描述：给定链表 head，对于每个节点，查找其右侧第一个值严格大于它的节点。返回整数数组 answer，answer[i] 为第 i 个节点的下一个更大节点值；若无，则为 0。