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leetcode - Populating Next Right Pointers in Each Node I&II
Populating Next Right Pointers in Each Node IGiven a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; Tree...
分类:其他好文   时间:2014-09-14 22:04:27    阅读次数:241
[Java coding] leetcode notes
Start from Difficulty 1:1, Remove specified elem from unsorted array: 2 pointers, one is to iterate all the elements in the array, the other is to inc...
分类:编程语言   时间:2014-09-11 23:46:42    阅读次数:250
[LeetCode] Populating Next Right Pointers in Each Node II
1 public class Solution { 2 public void connect(TreeLinkNode root) { 3 TreeLinkNode upperTravelingNode = root; 4 if (root==null) ...
分类:其他好文   时间:2014-09-10 21:06:51    阅读次数:196
[LeetCode] Populating Next Right Pointers in Each Node
1 public class Solution { 2 public void connect(TreeLinkNode root) { 3 if (root==null) return; 4 TreeLinkNode upperLevelStartNode...
分类:其他好文   时间:2014-09-10 20:59:11    阅读次数:156
Populating Next Right Pointers in Each Node II <leetcode>
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...
分类:其他好文   时间:2014-09-09 19:57:29    阅读次数:237
C和指针 (pointers on C)——第十章:结构体和联合(上)
第十章 结构和联合这个部分先介绍了.运算符,能够供直接訪问,还介绍了->运算符,它取代结构体指针的间接訪问操作(*struct).xxx这一章新手理解起来不算太难,没有学过操作系统的话理解位段、对齐等概念会有一些问题。越发的说明了指针和内存绝对是C的核心。总结:结构声明列出了结构包括的成员列表,不同...
分类:其他好文   时间:2014-08-29 14:39:07    阅读次数:163
29. Populating Next Right Pointers in Each Node && Populating Next Right Pointers in Each Node II
思想: 常量空间要求,决定了不能使用递归。满二叉树,简单循环,每次修改一层即可。 思想同上: 但是下一层最开始结点和连接过程中链表的第一个结点不易确定,所以需要设定两个变量来保存。
分类:其他好文   时间:2014-08-27 16:26:58    阅读次数:197
LeetCode--Populating Next Right Pointers in Each Node
由于题目意思是满二叉树:所以,对当前节点,设置它的左右子节点的next指针即可root->left->next = root->rightroot->right->next = root->next?root->next->left:NULL 1 /** 2 * Definition for bi....
分类:其他好文   时间:2014-08-22 22:24:49    阅读次数:233
LeetCode--Populating Next Right Pointers in Each Node II
同上题:但是这题需要考虑好对当前节点的left和right的next指针如何设置。 1 /** 2 * Definition for binary tree with next pointer. 3 * struct TreeLinkNode { 4 * int val; 5 * Tre...
分类:其他好文   时间:2014-08-22 22:23:59    阅读次数:324
Populating Next Right Pointers in Each Node II
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 extr...
分类:其他好文   时间:2014-08-20 22:47:33    阅读次数:297
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