摘要：
Given the root of a binary tree, then value v and depth d, you need to add a row of nodes with value v at the given depth d. The root node is at depth 阅读全文
posted @ 2020-09-11 08:10
Schwifty
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摘要：
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 @ 2020-09-11 07:02
Schwifty
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摘要：
Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximum average value. And you need to output the 阅读全文
posted @ 2020-09-11 05:12
Schwifty
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The set S originally contains numbers from 1 to n. But unfortunately, due to the data error, one of the numbers in the set got duplicated to another n 阅读全文
posted @ 2020-09-11 05:08
Schwifty
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