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剑指里面试题6：从尾到头打印链表， #18

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linbacekl opened this issue Jul 19, 2019 · 1 comment

linbacekl commented Jul 19, 2019

剑指里面试题6：从尾到头打印链表，复制到牛客的编辑器里，一直报这个错 'NoneType' object has no attribute 'val'。不知道为什么。看不出来原因。

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linbacekl commented Jul 19, 2019

解决了。。。不知道为什么把判断空链表去掉就好了。。 sad

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