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bzoj1023
1023: [SHOI2008]cactus仙人掌图Time Limit:1 SecMemory Limit:162 MBSubmit:1495Solved:608Description如果某个无向连通图的任意一条边至多只出现在一条简单回路(simple cycle)里,我们就称这张图为仙人图(ca...
分类:其他好文   时间:2015-08-26 13:36:43    阅读次数:372
Renesas M16C/6X -- Simple PWM Signal Generation Using DMA
1. RequirementsTo generate a PWM output, we need to create a train of pulses with constant period and variable duty cycle.The dutycycle, being the mod...
分类:其他好文   时间:2015-08-21 18:44:27    阅读次数:210
【leetcode】Linked List Cycle
问题:鉴于一个列表,推断该列表环的存在。分析:这个问题是见的非常多的题目,问题本身而言,技巧性非常强,或者说思路非常巧妙,这里要说的不是这个题目本身。而是说这样的技巧。在非常多的地方是用的到的,比方,在寻找单链表的中间节点的时候,就能够用这样的形式,一个走两步,一个走一步的形式,来获得中间节点。//...
分类:其他好文   时间:2015-08-19 19:56:41    阅读次数:132
[LeetCode] Linked List Cycle
Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space? 关于cycle,第一个想法自然就是用hashmap来做。注意用hashmap.p....
分类:其他好文   时间:2015-08-19 16:32:14    阅读次数:126
【LeetCode】141. Linked List Cycle
题目:Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?提示:首先,题目中要求'without using extra space',...
分类:其他好文   时间:2015-08-19 16:12:09    阅读次数:115
Find Cycle
Find Cycle A graph is a type of data structure that consists of nodes and edges that connect the nodes. An edge has a start node and end node, and we will only consider directed edges. The figure be...
分类:其他好文   时间:2015-08-19 09:30:27    阅读次数:251
JSONException: There is a cycle in the hierarchy解决
使用hibernate容易出现该问题,主要是由于pojo类属性存在级联关系。比如说员工和部门,在员工表里面有部门属性,而在部门表里面有个员工集合,这样就存在了嵌套引用的问题了,就会抛出这个异常。   解决方法很...
分类:Web程序   时间:2015-08-18 19:51:58    阅读次数:152
【LeetCode】141 - Linked List Cycle
Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?Hide Tags:Linked ListTwo PointersHide Simi...
分类:其他好文   时间:2015-08-18 18:52:17    阅读次数:98
【LeetCode】142 - Linked List Cycle II
Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using extra space?Sol...
分类:其他好文   时间:2015-08-18 18:15:25    阅读次数:110
[LeetCode] Linked List Cycle II, Solution
Question : Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull. Follow up: Can you solve it without using...
分类:其他好文   时间:2015-08-18 13:40:08    阅读次数:127
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