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leetcode-231-Power of Two
Power of Two Given an integer, write a function to determine if it is a power of two. 推断给出的数,是否为2的次方,如1,2,4,8,16... 移位操作,2的次方的数,换位2进制表示,都是第一个为1 ,其后面都是 ...
分类:其他好文   时间:2017-07-31 22:10:42    阅读次数:152
python3--open函数
open函数,该函数用于文件处理 操作文件时,一般需要经历如下步骤: 打开文件 操作文件 一、打开文件 打开文件时,需要指定文件路径和以何等方式打开文件,打开后,即可获取该文件句柄,日后通过此文件句柄对该文件操作。 打开文件的模式有: r,只读模式(默认)。 w,只写模式。【不可读;不存在则创建;存 ...
分类:编程语言   时间:2017-07-31 10:14:23    阅读次数:387
CSU 1826 Languages
1826: Languages Time Limit: 5 Sec Memory Limit: 128 Mb Submitted: 277 Solved: 83 Description The Enterprise has encountered a planet that at one point ...
分类:其他好文   时间:2017-07-30 20:03:15    阅读次数:227
Leetcode 91. Decode Ways
A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determine t ...
分类:其他好文   时间:2017-07-30 18:12:05    阅读次数:154
[leetcode] Path Sum
问题描写叙述: Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the give ...
分类:其他好文   时间:2017-07-29 23:16:51    阅读次数:158
How to determine the signal effect of something in certain process?
How to prove the function of chemicals as a signal in physiological process ? It is a very common question in research of biology, especial for molecu ...
分类:其他好文   时间:2017-07-29 21:32:31    阅读次数:153
[Leetcode] Binary tree--112. Path Sum
112. Path Sum Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals th ...
分类:其他好文   时间:2017-07-29 11:32:35    阅读次数:115
USACO Section 1.1 Your Ride Is Here
原题: Your Ride Is Here It is a well-known fact that behind every good comet is a UFO. These UFOs often come to collect loyal supporters from here on Ea ...
分类:其他好文   时间:2017-07-27 22:35:10    阅读次数:169
【LeetCode-面试算法经典-Java实现】【139-Word Break(单词拆分)】
【139-Word Break(单词拆分)】 【LeetCode-面试算法经典-Java实现】【全部题目文件夹索引】 原题 Given a string s and a dictionary of words dict, determine if s can be segmented into a ...
分类:编程语言   时间:2017-07-26 20:24:10    阅读次数:679
Oil Deposit
题目描述: The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular regi ...
分类:其他好文   时间:2017-07-26 19:29:22    阅读次数:186
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