Problem Description:Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without u...
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其他好文 时间:
2014-07-07 17:00:35
阅读次数:
161
Problem Description:Given a singly linked listL:L0→L1→…→Ln-1→Ln,reorder it to:L0→Ln→L1→Ln-1→L2→Ln-2→…You must do this in-place without altering the no...
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其他好文 时间:
2014-07-07 16:41:56
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141
Problem Description:Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?Solution: 1 public bo....
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其他好文 时间:
2014-07-07 16:08:01
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151
本来是学长以前的项目,我正在重做一遍。结果突然出现了异常,我很是不解啊,怎么莫名其妙的就出现异常了呢?我昨天用还是好好的,根本就没动过源代码。于是在网上开始了一遍又一遍的查询,有的说要加权限、有的说这,有的说那。终于,在CSND上找到了原因。那个LZ也是在stackflow上找到了灵感。http:/...
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其他好文 时间:
2014-07-03 21:53:49
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307
问题描述如下:Given a linked list, return the node where the cycle begins. If there is no cycle, return null.Follow up:Can you solve it without using extra s...
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其他好文 时间:
2014-07-03 21:00:48
阅读次数:
401
在一个字符串中求不重复子串的最大长度是一个经典的贪心法求解问题(说子串自然是连续的,子序列则不要求连续)。
先给出leetcode上这题的描述:
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring wit...
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其他好文 时间:
2014-07-03 16:24:55
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281
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without
repeating letters for "abcabcbb" is "abc", which the length is 3. Fo...
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其他好文 时间:
2014-07-02 16:35:32
阅读次数:
213
题目
Given a linked list, determine if it has a cycle in it.
Follow up:
Can you solve it without using extra space?
方法
/**
* Definition for singly-linked list.
* class ListNode {
...
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其他好文 时间:
2014-07-01 11:31:40
阅读次数:
178
题目
Given a linked list, return the node where the cycle begins. If there is no cycle, return null.
Follow up:
Can you solve it without using extra space?
方法
public ListNode de...
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其他好文 时间:
2014-07-01 11:30:58
阅读次数:
200
题目
Given a singly linked list L: L0→L1→…→Ln-1→Ln,
reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→…
You must do this in-place without altering the nodes' values.
For example,
Given {1,2,3,4}, re...
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其他好文 时间:
2014-07-01 08:39:24
阅读次数:
181