【题目】
Given a sorted linked list, delete all duplicates such that each element appear only once.
For example,
Given 1->1->2, return 1->2.
Given 1->1->2->3->3, return 1->2->3.
【题意】
给定一个已排序的链表,删除其中的重复元素
【思路】
维护两个指针prev和cur, cur指针负责扫描链表,prev指向cur的前一...
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其他好文 时间:
2014-06-03 04:05:39
阅读次数:
231
OJ题目:click here~~
题目分析:输出第k个素数
贴这么简单的题目,目的不纯洁
用筛法求素数的基本思想是:把从1开始的、某一范围内的正整数从小到大顺序排列, 1不是素数,首先把它筛掉。剩下的数中选择最小的数是素数,然后去掉它的倍数。依次类推,直到筛子为空时结束。如有:
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15...
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其他好文 时间:
2014-06-03 01:31:03
阅读次数:
233
By reducing your bookmarks to show only the
icons, you can access more of them from the Bookmarks bar. This works great for
sites with recognizable fa...
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其他好文 时间:
2014-06-02 17:39:03
阅读次数:
276
The only syntax difference between JSON and the
object literal is that property names need to be wrapped in quotes to be valid
JSON. In object literal...
分类:
编程语言 时间:
2014-06-02 09:31:41
阅读次数:
394
题目链接:
http://poj.org/problem?id=3126
题目:
Prime Path
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 10737
Accepted: 6110
Description
The ministers of...
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其他好文 时间:
2014-06-02 02:21:22
阅读次数:
228
【题目】
Given a string containing only digits, restore it by returning all possible valid IP address combinations.
For example:
Given "25525511135",
return ["255.255.11.135", "255.255.111.35"]. (Order does not matter)
【题意】
给定一个字符串,恢复并返回所有符合条件的IP串
【思路】...
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其他好文 时间:
2014-06-01 13:01:56
阅读次数:
295
Prime PathTime Limit: 1000MSMemory Limit:
65536KTotal Submissions: 10729Accepted: 6109DescriptionThe ministers of the
cabinet were quite upset by the ...
分类:
其他好文 时间:
2014-06-01 12:11:35
阅读次数:
174
Given a linked list, swap every two adjacent nodes and return its head.
For example,
Given 1->2->3->4, you should return the list as 2->1->4->3.
Your algorithm should use only constant space....
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其他好文 时间:
2014-06-01 10:41:23
阅读次数:
242
【题目】
The gray code is a binary numeral system where two successive values differ in only one bit.
Given a non-negative integer n representing the total number of bits in the code, print the sequence of gray code. A gray code sequence must begin with 0.
...
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其他好文 时间:
2014-06-01 09:16:29
阅读次数:
242
【题目】
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.
For example,
Given 1->2->3->3->4->4->5, return 1->2->5.
Given 1->1->1->2->3, return 2->3.
【题意】
给定一个有序链表,删出其中重复出现的值...
分类:
其他好文 时间:
2014-05-31 21:14:11
阅读次数:
333