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leetcode 【Rotate List 】python 实现
题目:Given a list, rotate the list to the right bykplaces, wherekis non-negative.For example:Given1->2->3->4->5->NULLandk=2,return4->5->1->2->3->NULL.代码...
分类:编程语言   时间:2014-12-27 00:14:19    阅读次数:332
leetcode 【 Intersection of Two Linked Lists 】python 实现
题目:Write a program to find the node at which the intersection of two singly linked lists begins.For example, the following two linked lists:A: ...
分类:编程语言   时间:2014-12-27 00:09:39    阅读次数:182
leetcode 【 Linked List Cycle 】 python 实现
题目:Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?代码:oj在线测试通过Runtime:416 ms 1 # Definitio...
分类:编程语言   时间:2014-12-26 16:37:09    阅读次数:220
leetcode 【 Remove Duplicates from Sorted List 】 python 实现
题目:Given a sorted linked list, delete all duplicates such that each element appear onlyonce.For example,Given1->1->2, return1->2.Given1->1->2->3->3, r...
分类:编程语言   时间:2014-12-26 16:23:24    阅读次数:163
leetcode 【 Remove Duplicates from Sorted List II 】 python 实现
题目:Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list.For example,Given1->2-...
分类:编程语言   时间:2014-12-26 16:19:58    阅读次数:157
leetcode 【 Remove Nth Node From End of List 】 python 实现
题目:Given a linked list, remove thenthnode from the end of list and return its head.For example, Given linked list: 1->2->3->4->5, and n = 2. After...
分类:编程语言   时间:2014-12-26 16:15:23    阅读次数:221
leetcode 【 Merge Two Sorted Lists 】 python 实现
题目:Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.代码:oj在...
分类:编程语言   时间:2014-12-26 16:08:31    阅读次数:205
leetcode Linked List Swap Nodes in Pairs python 实现
题目:Swap Nodes in PairsGiven a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list a...
分类:编程语言   时间:2014-12-26 14:27:01    阅读次数:205
找出三个只出现一次的数字 C语言实现
题目:一个数组中有三个数字a、b、c只出现一次,其他数字都出现了两次。请找出三个只出现一次的数字。 分析:如果我们把数组中所有数字都异或起来,那最终的结果(记为x)就是a、b、c三个数字的异或结果(x=a^b^c)。其他出现了两次的数字在异或运算中相互抵消了。 我们可以证明异或的结果x不可能是a、b、c三个互不相同的数字中的任何一个。 由于x与a、b、c都各不相同,因此x^a、x...
分类:编程语言   时间:2014-12-24 20:10:52    阅读次数:287
leetcode之LRU实现
题目: Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set. get(key) - Get the value (will always be positive) of th...
分类:其他好文   时间:2014-12-23 00:22:19    阅读次数:227
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