题目:
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 co...
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编程语言 时间:
2015-01-26 13:41:55
阅读次数:
253
题目:
Given a binary tree
struct TreeLinkNode {
TreeLinkNode *left;
TreeLinkNode *right;
TreeLinkNode *next;
}
Populate each next pointer to point to its next right...
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编程语言 时间:
2015-01-26 12:03:14
阅读次数:
220
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 con...
分类:
编程语言 时间:
2015-01-26 12:02:14
阅读次数:
197
指针和引用看起来很不一样,指针使用*和->操作符,引用则使用.操作符,但是它们似乎做的是类似的事情。
首先,需求确认的是,C++用没有空引用(null reference),一个引用必须总代表某个对象,所以既不能指向null,也不能声明变量时不赋初值,也不能在使用过程中改变指向(其实用引用更贴切)值。如果不能满足上述条件,可以考虑使用指针。
使用引用可能比指针更...
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其他好文 时间:
2015-01-26 11:57:02
阅读次数:
162
Visual Studio is being overly cautious. In debug mode, visual studio uses something called "Checked Iterators". Pointers are also iterators, but the c...
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编程语言 时间:
2015-01-25 17:58:11
阅读次数:
448
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:
2015-01-23 22:45:39
阅读次数:
139
原题地址二叉树的层次遍历。对于每一层,依次把各节点连起来即可。代码: 1 void connect(TreeLinkNode *root) { 2 if (!root) return; 3 4 queue parents; 5 6 parents.push(root); 7 wh...
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其他好文 时间:
2015-01-21 14:57:15
阅读次数:
166
The problem:Given a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLinkNode *next; }Populate each...
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其他好文 时间:
2015-01-20 15:03:56
阅读次数:
95
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:
2015-01-18 17:05:52
阅读次数:
261
Given a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLinkNode *next; }Populate each next pointe...
分类:
其他好文 时间:
2015-01-18 14:15:56
阅读次数:
166