习题链接：LeetCode 1019. 链表中的下一个更大节点
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，这一点在WPS下载最新地址中也有详细论述
Number (1): Everything in this space must add up to 1. The answer is 4-0, placed horizontally; 0-0, placed vertically; 1-1, placed horizontally.。夫子对此有专业解读
Enhancing Sales Operations:
Once a transaction is confirmed, it is placed in a block after the confirmation. All of the blocks are chained together to create a permanent history of every transaction.