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CCF Z字形扫描
Z字形扫描时间限制:2.0s内存限制:256.0MB问题描述 在图像编码的算法中,需要将一个给定的方形矩阵进行Z字形扫描(Zigzag Scan)。给定一个n×n的矩阵,Z字形扫描的过程如下图所示: 对于下面的4×4的矩阵, 1 5 3 9 3 7 5 6 9 4 6 4 7 3 1 3...
分类:其他好文   时间:2015-03-20 21:57:16    阅读次数:1839
leetcode_103_Binary Tree Zigzag Level Order Traversal
思路: 具体的思路和层序遍历一致,只是需要将偶数层的结点值颠倒一下即可,时间略长,可见本方法并非好的方法。思路详见层序遍历:http://blog.csdn.net/mnmlist/article/details/44490975...
分类:其他好文   时间:2015-03-20 16:28:25    阅读次数:131
ZigZag Conversion
ZigZag Conversion问题:The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this patter...
分类:其他好文   时间:2015-03-19 17:48:57    阅读次数:132
LeetCode – Refresh – Binary Tree Zigzag Level Order Traversal
Made a stupid bug....... When reverse the vector, stop it at mid. Otherwise, it will swap back......Mark!!!!!!!! 1 /** 2 * Definition for binary tree....
分类:其他好文   时间:2015-03-18 10:23:29    阅读次数:120
leetcode题解||ZigZag Conversion问题
problem: The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) P A H N A...
分类:其他好文   时间:2015-03-17 15:59:47    阅读次数:129
LeetCode_ZigZag Conversion
LeetCode_ZigZag Conversion...
分类:其他好文   时间:2015-03-17 02:06:10    阅读次数:133
Binary Tree Zigzag Level Order Traversal
Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between). For example: Given binary tr...
分类:其他好文   时间:2015-03-16 16:34:14    阅读次数:107
Binary Tree Zigzag Level Order Traversal
Binary Tree Zigzag Level Order Traversal问题:Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, t...
分类:其他好文   时间:2015-03-14 18:32:16    阅读次数:128
leetcode------Binary Tree Zigzag Level Order Traversal
标题:Binary Tree Zigzag Level Order Traversal通过率:26.5%难度:中等Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from le...
分类:其他好文   时间:2015-03-14 15:05:47    阅读次数:151
leetcode ZigZag Conversion
PS:边界条件判断不需要计算,用来比较判断就可以了。哎呀,自己还是太嫩啊,老是忘了比较这一招!!!!代码: 1 #include 2 #include 3 4 using namespace std; 5 6 string convert(string s, int nRows) 7 { 8 ...
分类:其他好文   时间:2015-03-08 00:06:12    阅读次数:140
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