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HDU 1394 Minimum Inversion Number(树状数组)
这是利用树状数组的性质来求解逆序数的问题,在这里我们首先得温习一下逆序数的概念,才能更好地理解这一道较为数学的题目! 当然,这也是一道树状数组较为基础的一道题目。...
分类:其他好文   时间:2014-08-20 01:25:25    阅读次数:259
<JS高级程序设计3>_PART4
1.基本数据类型:Undefined,null,Number,String,Boolean.引用数据类型:保存在内存中的对象.2.JS不允许直接访问内存中的位置,不能直接操作对象的内存空间.所以操作对象时,实际上是操作的对象的引用,而不是实际的对象.3.var num1 = 1;var num2 =...
分类:Web程序   时间:2014-08-20 01:22:25    阅读次数:190
[LeetCode]Two Sum
今晚再刷一题,题目如下:Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices o...
分类:其他好文   时间:2014-08-20 01:20:15    阅读次数:197
HDU - 4961 Boring Sum
Problem Description Number theory is interesting, while this problem is boring. Here is the problem. Given an integer sequence a1, a2, …, an, let S(i) = {j|1j is a multiple of ai}. If S(i) is not ...
分类:其他好文   时间:2014-08-20 00:07:25    阅读次数:210
POJ 3370 Halloween treats(抽屉原理)
Description Every year there is the same problem at Halloween: Each neighbour is only willing to give a certain total number of sweets on that day, no matter how many children call on him, so it ma...
分类:其他好文   时间:2014-08-19 22:28:45    阅读次数:278
Cracking the Coding Interview 5.2
Given a(decimal -e.g. 3.72)number that is passed in as a string, print the binary representation. If the number can not be represented accurately in b...
分类:其他好文   时间:2014-08-19 22:04:15    阅读次数:233
HDU 1005 Number Sequence (数学规律)
Number SequenceTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 104190Accepted Submission(s): 25232...
分类:其他好文   时间:2014-08-19 20:29:45    阅读次数:222
2014多校1002--hdu4961--Boring Sum
Boring Sum Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 80    Accepted Submission(s): 39 Problem Description Number theory is in...
分类:其他好文   时间:2014-08-19 19:02:05    阅读次数:319
常用的javascript小技巧
字符串转换为数值常规方法:var var1 = parseInt("2");var var2 = parseFloat("2");var var3 = Number("2");var var3 = new Number("2");简便方法:var var1 = +("2");将其他类型转换为bool...
分类:编程语言   时间:2014-08-19 18:52:45    阅读次数:315
Cracking the Coding Interview 5.7
An array A[1...n] contains all the integers from 0 to n except for one number which is missing.In this problem, we cannot access an entire integer in ...
分类:其他好文   时间:2014-08-19 18:49:45    阅读次数:251
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