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Search for a Range leetcode java
题目:Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the....
分类:编程语言   时间:2014-07-21 11:14:07    阅读次数:203
「Maven Tips」(一)自动更新jar包
maven中手动去更新jar包,是一件比较繁琐麻烦的事情,使用Range Dependency则可以省去这一步骤。   部分jar包可能会自动升级到beat版本!   官方说明文档:Dependency Version Ranges Range Meaning  (...
分类:其他好文   时间:2014-07-21 10:30:10    阅读次数:243
【leetcode刷题笔记】Roman to Integer
Given a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999.题解:转换的方法:从左往右扫描罗马字符,如果当前的字符对应的数字比上一个数字小,就直接加...
分类:其他好文   时间:2014-07-21 10:05:42    阅读次数:223
【leetcode刷题笔记】Integer to Roman
Given an integer, convert it to a roman numeral.Input is guaranteed to be within the range from 1 to 3999.题解:基本的罗马字符和数字对应如下表所示:罗马字符数字I1V5X10L50C100D50...
分类:其他好文   时间:2014-07-21 10:05:16    阅读次数:286
[leetcode]Remove Duplicates from Sorted List II
Remove Duplicates from Sorted List IIGiven a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the or...
分类:其他好文   时间:2014-07-21 09:33:03    阅读次数:218
STL 源码剖析 算法 stl_algo.h -- equal_range
equal_range(应用于有序区间) -------------------------------------------------------------------------------------------------------------------------------------- 描述:利用二分查找找到一个区间,区间里的所有值都等于给定值,返回的是一个pair, 分别存储区间的上界迭代器和下界迭代器 源码: template <class ForwardIterator, c...
分类:其他好文   时间:2014-07-20 23:06:36    阅读次数:263
【leetcode】Sum Root to leaf Numbers
简单的二叉树的先根遍历模板的应用 class Solution: # @param root, a tree node # @return an integer def hehe(self, num, root): #再原来的基础上*10,再加上当前的root.val num = num * 10 + root.val ...
分类:其他好文   时间:2014-07-20 22:45:33    阅读次数:299
【leetcode刷题笔记】Add Two Numbers
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
分类:其他好文   时间:2014-07-20 21:32:55    阅读次数:250
hdu3280Equal Sum Partitions (区间DP)
Problem Description An equal sum partition of a sequence of numbers is a grouping of the numbers (in the same order as the original sequence) in such a way that each group has the same sum. For examp...
分类:其他好文   时间:2014-07-20 15:42:42    阅读次数:256
用python输出汉字字库
问题1:假设我们知道汉字编码范围是0x4E00到0x9FA5,怎么从十六进制的编码转成人类可读的字呢? 问题2:怎么把unicode编码的字写入文件呢,如果直接用open()的话,会提示UnicodeEncodeError: 'ascii' codec can't encode character u'\u4e00' in position 0: ordinal not in range(128...
分类:编程语言   时间:2014-07-20 10:46:08    阅读次数:732
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