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A self-dividing number is a number that is divisible by every digit it contains. For example, 128 is a self-dividing number because 128 % 1 == 0, 128 阅读全文
posted @ 2019-12-24 16:44
Zhentiw
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Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are n 阅读全文
posted @ 2019-12-22 18:04
Zhentiw
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posted @ 2019-12-22 03:46
Zhentiw
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posted @ 2019-12-21 03:21
Zhentiw
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posted @ 2019-12-21 03:09
Zhentiw
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posted @ 2019-12-21 02:54
Zhentiw
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Given head which is a reference node to a singly-linked list. The value of each node in the linked list is either 0 or 1. The linked list holds the bi 阅读全文
posted @ 2019-12-21 02:45
Zhentiw
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posted @ 2019-12-21 02:35
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