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006:欧拉项目平方和与和的平方的差
Sum square difference Problem 6 The sum of the squares of the first ten natural numbers is, 12 + 22 + ... + 102 = 385 The square of the sum of the first ten natural numbers is, (1 + 2 + ....
分类:其他好文   时间:2014-05-23 02:22:57    阅读次数:193
欧拉项目005:最小公倍数
Smallest multiple Problem 5 2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smallest positive number that is evenly di...
分类:其他好文   时间:2014-05-23 01:51:13    阅读次数:261
【Leetcode】Remove Duplicates from Sorted List II
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list.For example,Given1->2->3-...
分类:其他好文   时间:2014-05-21 17:51:09    阅读次数:190
OpenStack-Heat中的Autoscaling - AWS的autoscaling
在Heat中完全使用aws的语法创建一套autoscaling的template。 流程: Create LaunchConfig (Create basic instance, send mem status to ALARM) -> Create ASGroup (Define instance num range) -> Create ScaleUpPolicy (+1 in...
分类:其他好文   时间:2014-05-21 16:01:10    阅读次数:315
LeetCode: Combination Sum II [039]
【题目】 Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. Each number in C may only be used once in the combination. Note: All numbers (including target) will be ...
分类:其他好文   时间:2014-05-21 15:55:25    阅读次数:259
LeetCode: Combination Sum [038]
【题目】 Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. The same repeated number may be chosen from C unlimited number of times. Note: All numbers (including target) w...
分类:其他好文   时间:2014-05-21 15:21:28    阅读次数:292
LeetCode: Multiply Strings [042]
【题目】 Given two numbers represented as strings, return multiplication of the numbers as a string. Note: The numbers can be arbitrarily large and are non-negative. 【题意】 给定用字符串表示的整数,返回两个数的乘积结果字符串。两个数字都非负,且能任意大。 【思路】 1. 考虑其中一个数是0的情况 2. 模拟乘法运算...
分类:其他好文   时间:2014-05-21 13:45:37    阅读次数:214
【Error】Python:ascii codec can't decode byte 0xe8 in position 0:ordinal not in range(128)
最近编写Python程序时经常遇见中文相关的问题,这里说一个问题的解决方法。 我在使用json模块的dumps()函数时,因为涉及到中文,报出如下错误: ascii codec can't decode byte 0xe8 in position 0:ordinal not in range(128) 这是编码相关的问题,在该程序中加入如下代码: import sys reload(sys) sys.setdefaultencoding('utf-8') 这样就可以解决该问题了,希望对大家有所帮助。...
分类:编程语言   时间:2014-05-21 09:47:21    阅读次数:323
UVA 10712 - Count the Numbers (数位DP)
UVA 10712 - Count the Numbers 题目链接 题意:求区间[A,B]数字中,子串包含N的数字有多少个 思路:数位DP,写了个记忆化乱搞搞过了,dp[i][j][2][2][2],分别表示i位的时候,末尾为j的情况,后面3维用来处理小于的情况,已经出现过子串的情况,前导0的情况,然后注意特判一下数字0的情况,因为一开始要分解数字,而0是不能分解的。 代...
分类:其他好文   时间:2014-05-21 09:11:44    阅读次数:264
LeetCode:Two Sum
题目:       Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two numbers such that they add up t...
分类:其他好文   时间:2014-05-21 07:42:18    阅读次数:230
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