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341. Flatten Nested List Iterato

341. Flatten Nested List Iterato

作者: 我是你的果果呀 | 来源:发表于2016-12-20 14:18 被阅读0次

Given a nested list of integers, implement an iterator to flatten it.

Each element is either an integer, or a list -- whose elements may also be integers or other lists.

Example 1:
Given the list[[1,1],2,[1,1]],
By callingnextrepeatedly untilhasNextreturns false, the order of elements returned bynextshould be:[1,1,2,1,1].
Example 2:
Given the list[1,[4,[6]]],
By callingnextrepeatedly untilhasNextreturns false, the order of elements returned bynextshould be:[1,4,6].

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