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。...
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其他好文 时间:
2014-08-20 01:25:25
阅读次数:
259
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 =...
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Web程序 时间:
2014-08-20 01:22:25
阅读次数:
190
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...
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其他好文 时间:
2014-08-20 01:20:15
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197
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 ...
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其他好文 时间:
2014-08-20 00:07:25
阅读次数:
210
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...
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其他好文 时间:
2014-08-19 22:28:45
阅读次数:
278
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...
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其他好文 时间:
2014-08-19 22:04:15
阅读次数:
233
Number SequenceTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 104190Accepted Submission(s): 25232...
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其他好文 时间:
2014-08-19 20:29:45
阅读次数:
222
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...
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其他好文 时间:
2014-08-19 19:02:05
阅读次数:
319
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...
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编程语言 时间:
2014-08-19 18:52:45
阅读次数:
315
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 ...
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其他好文 时间:
2014-08-19 18:49:45
阅读次数:
251