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Leetcode: Remove Duplicates from Sorted List
遇到的问题:input{1,1,1}, output{1,1}, expected{1}, 原因在于若temp.val==temp.next.val, 则需要temp.next=temp.next.next, 这时候就不要temp=temp.next了注意停止条件不光是temp!=null,还应该有...
分类:其他好文   时间:2014-05-05 22:47:08    阅读次数:454
Reverse Nodes in k-Group
Link:http://oj.leetcode.com/problems/reverse-nodes-in-k-group/Given a linked list, reverse the nodes of a linked listkat a time and return its modifie...
分类:其他好文   时间:2014-05-05 22:46:42    阅读次数:456
Reverse Linked List II
Link:http://oj.leetcode.com/problems/reverse-linked-list-ii/Reverse a linked list from positionmton. Do it in-place and in one-pass.For example:Given1...
分类:其他好文   时间:2014-05-05 22:46:11    阅读次数:411
Swap Nodes in Pairs
Link:http://oj.leetcode.com/problems/swap-nodes-in-pairs/Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2-...
分类:其他好文   时间:2014-05-05 22:45:37    阅读次数:331
python 列表推导式----轻量级循环
列表推导式(list comprehension)是利用其他列表创建新列表(类似于数学术语中的集合推导式)的一种方法。它的工作方式类似于for循环,也很简单:In [39]: [x*x for x in range(10)]Out[39]: [0, 1, 4, 9, 16, 25, 36, 49, ...
分类:编程语言   时间:2014-05-05 22:21:48    阅读次数:422
笨方法学python(5)加分题
这篇对应的是习题16,读写文件 # -*- coding: utf-8 -*- #对文件更多操作复制A文件的内容到B文件 #from sys import argv from os.path import exists prompt = "> " from_file = raw_input("please input the filename where you want to copy...
分类:编程语言   时间:2014-05-05 12:54:02    阅读次数:402
codechef Turbo Sort 题解
Input t – the number of numbers in list, then t lines follow [t  Each line contains one integer: N [0 N  Output Output given numbers in non decreasing order. Example Input: 5 5 3 ...
分类:其他好文   时间:2014-05-04 00:04:09    阅读次数:376
【LeetCode】Substring with Concatenation of All Words
You are given a string, S, and a list of words, L, that are all of the same length. Find all starting indices of substring(s) in S that is a concatenation of each word in L exactly once and without an...
分类:其他好文   时间:2014-05-03 21:35:49    阅读次数:310
Havel--Hakimi定理判断可图化 python
list1 = [ 4, 7, 7, 3, 3, 3, 2, 1 ] list2 = [ 5, 4, 3, 3, 2, 2, 2, 1, 1, 1 ] def havel_hakimi_algo( degree_list ): degree_list.sort( reverse = True ) print degree_list for degr...
分类:编程语言   时间:2014-05-03 17:13:49    阅读次数:426
RDD的依赖关系
RDD的依赖关系 Rdd之间的依赖关系通过rdd中的getDependencies来进行表示, 在提交job后,会通过在DAGShuduler.submitStage-->getMissingParentStages privatedefgetMissingParentStages(stage: Stage): List[Stage] = { valmissing =newHash...
分类:其他好文   时间:2014-05-03 15:56:22    阅读次数:282
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