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Given an array nums sorted in ascending order, return true if and only if you can split it into 1 or more subsequences such that each subsequence cons 阅读全文
posted @ 2020-02-14 12:46
xuan_abc
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You are given a doubly linked list which in addition to the next and previous pointers, it could have a child pointer, which may or may not point to a 阅读全文
posted @ 2020-02-14 11:01
xuan_abc
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Design an algorithm to encode a list of strings to a string. The encoded string is then sent over the network and is decoded back to the original list 阅读全文
posted @ 2020-02-14 10:43
xuan_abc
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