当我们讨论指针时,通常假设它是一种可以用 void * 指针来表示的东西,在
x86_64 平台下是 8 个字节大小。例如,下面是来自 维基百科中关于 x86_64 的文章 的摘录:
Pushes and pops on the stack are always in 8-byte strides, and pointers are 8 bytes wide.
从 CPU 的角...
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编程语言 时间:
2014-12-09 23:06:35
阅读次数:
293
Given a binary tree
struct TreeLinkNode {
TreeLinkNode *left;
TreeLinkNode *right;
TreeLinkNode *next;
}
Populate each next pointer to point to its next right node. ...
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其他好文 时间:
2014-12-09 17:58:42
阅读次数:
186
4.4 给定一棵二叉树,设计一个算法,创建含有某一深度上所有结点的链表(比如,若一棵树的深度为D,则会创建D个链表)。类似于leetcode:Populating Next Right Pointers in Each Node II解答这道题目本质上是个BFS,也就是说,如果已经构建了第i层结点的...
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其他好文 时间:
2014-12-06 11:21:54
阅读次数:
152
Follow up for problem "Populating Next Right Pointers in Each Node".
What if the given tree could be any binary tree? Would your previous solution still work?
Note:
You may only use constant extra ...
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其他好文 时间:
2014-12-05 22:48:46
阅读次数:
139
Given a binary tree
struct TreeLinkNode {
TreeLinkNode *left;
TreeLinkNode *right;
TreeLinkNode *next;
}
Populate each next pointer to point to its next right node. If there is no next right node, the next pointer should be set t...
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其他好文 时间:
2014-12-05 22:47:04
阅读次数:
271
Given a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLinkNode *next; }Populate each next pointe...
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其他好文 时间:
2014-12-03 21:16:33
阅读次数:
139
Follow up for problem "Populating Next Right Pointers in Each Node".What if the given tree could be any binary tree? Would your previous solution stil...
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其他好文 时间:
2014-12-03 21:11:53
阅读次数:
173
问题描述:
Given a binary tree
struct TreeLinkNode {
TreeLinkNode *left;
TreeLinkNode *right;
TreeLinkNode *next;
}
Populate each next pointer to point to its next right nod...
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其他好文 时间:
2014-12-03 00:30:06
阅读次数:
198
Follow up for problem "Populating Next Right Pointers in Each Node".What if the given tree could be any binary tree? Would your previous solution stil...
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其他好文 时间:
2014-12-02 17:01:01
阅读次数:
123
这题和上一题Populating Next Right Pointers in Each Node的不一样了,这里要求的是普通的树,难度就比较大了。之前是简单的找到左边的最后,和右边的最左链接就可以了。现在存在的问题是可能右边的左右一层不是在最左或者长度不一等等。 1 / ...
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其他好文 时间:
2014-12-02 01:32:12
阅读次数:
165