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JavaScript中的parseInt和Number函数
函数作用: parseInt将字符串(String)类型转为整数类型。 Number() 函数把对象(Object)的值转换为数字。 语法不同: parseInt(string, [radix]) string:必选参数,要被转换的字符串 radix:可选,数字的基数。取值范围在2~36。 如果该参数小于 2 或者大于 36,则 parseInt() 将返回 NaN。...
分类:编程语言   时间:2015-08-01 22:10:36    阅读次数:149
leetCode 104.Maximum Depth of Binary Tree(二叉树最大深度) 解题思路和方法
Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node. 思路:很基础的一个题,DFS即可。代码如下: /** * Defin...
分类:其他好文   时间:2015-08-01 22:08:25    阅读次数:140
Android 中保存数据到文件中
1、在安卓开发中,会遇到保存数据到手机中以及从手机中获取数据的情况/** * 把数据存放到手机内存中 * * @param number * @param password * @return */ public static boolean ...
分类:移动开发   时间:2015-08-01 21:58:33    阅读次数:447
[leedcode 149] Max Points on a Line
Givennpoints on a 2D plane, find the maximum number of points that lie on the same straight line./** * Definition for a point. * class Point { * i...
分类:其他好文   时间:2015-08-01 20:26:30    阅读次数:118
Number Sequence
Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 127653    Accepted Submission(s): 31033 Problem Description A number sequence is defined...
分类:其他好文   时间:2015-08-01 19:06:53    阅读次数:99
POJ - 1704 Georgia and Bob
DescriptionGeorgia and Bob decide to play a self-invented game. They draw a row of grids on paper, number the grids from left to right by 1, 2, 3, …, and place N chessmen on different grids, as shown i...
分类:其他好文   时间:2015-08-01 17:21:22    阅读次数:114
CodeForces 546D Soldier and Number Game 打表(求质因子个数)
题目:戳我 题意:题意看懂了上面的一大串英文之后其实很简单,就是给你一个正整数n,问你n有多少个质因子,不过这里n是通过a!/b!给定的,也就是说n=(a!/b!); 分析:由于这里1?≤?b?≤?a?≤?5?000?000,数据很大,所以简单暴力一定超时,具体看代码。 1 #include...
分类:其他好文   时间:2015-08-01 17:16:27    阅读次数:128
HDU 3635 Dragon Balls
Dragon BallsProblem DescriptionFive hundred years later, the number of dragon balls will increase unexpectedly, so it's too difficult for...
分类:其他好文   时间:2015-08-01 17:16:21    阅读次数:90
POJ3468——线段树区间更新——A Simple Problem with Integers
You haveNintegers,A1,A2, ... ,AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number in a...
分类:其他好文   时间:2015-08-01 17:14:06    阅读次数:134
(回溯法)数组中和为S的N个数
Given a list of numbers, find the number of tuples of size N that add to S.for example in the list (10,5,-1,3,4,-6), the tuple of size 4 (-1,3,4,-6) a...
分类:编程语言   时间:2015-08-01 17:13:09    阅读次数:229
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