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Requests抓取火车票数据
1.数据接口 https://kyfw.12306.cn/otn/lcxxcx/query?purpose_codes=ADULT&queryDate=2016-08-01&from_station=NCG&to_station=CZQ 返回的是2015-8-01南昌到郴州的火车票信息,格式为jso ...
分类:其他好文   时间:2016-07-30 22:29:29    阅读次数:294
134. Gas Station
134. Gas Station There are N gas stations along a circular route, where the amount of gas at station i is gas[i]. You have a car with an unlimited gas ...
分类:其他好文   时间:2016-07-25 06:59:44    阅读次数:134
把json数据 [ { } ] 转为数组
$str = '[{"rwx_price":388.5,"end_station_name":"长沙","swz_price":0,"swz_num":"--","to_station_name":"长沙","ydz_num":"--","yz_num":"*","rw_num":"*","arri ...
分类:编程语言   时间:2016-07-19 23:31:51    阅读次数:250
Building a Space Station POJ 2031
题目链接: http://poj.org/problem?id=2031 题意:现给定一些细胞的坐标以及它们的半径,求它们彼此联通的最短路径是多少。实则是最小生成树。 ////特别心塞,G++提交就错,C++提交就A,害我找错好半天。。。 #include<stdio.h> #include<str ...
分类:其他好文   时间:2016-07-16 22:00:14    阅读次数:199
2016HUAS暑假集训训练题 E - Rails
There is a famous railway station in PopPush City. Country there is incredibly hilly. The station was built in last century. Unfortunately, funds were ...
分类:其他好文   时间:2016-07-16 19:38:45    阅读次数:137
Gas Station
分析: From:http://blog.csdn.net/linhuanmars/article/details/22706553 这是一道具体问题的题目,brute force的方法比较容易想到,就是从每一个站开始,一直走一圈,累加过程中的净余的油量,看它是不是有出现负的,如果有则失败,从下一个 ...
分类:其他好文   时间:2016-07-15 06:34:22    阅读次数:126
Oracle行转列+排序
--1.删除临时表 drop table biz_bus_station_direct_0711; --2.将站点数据等放入临时表 create table biz_bus_station_direct_0711 as select ls.line_no line_no, bb.line_name line_name, t1.line_direct line_direct...
分类:数据库   时间:2016-07-13 16:38:59    阅读次数:772
LeetCode 134. Gas Station
Problem :https://leetcode.com/problems/gas-station/ There are N gas stations along a circular route, where the amount of gas at station i is gas[i]. Y ...
分类:其他好文   时间:2016-07-10 15:21:42    阅读次数:118
EXEC sp_executesql
declare @sql nvarchar(max)declare @nu int set @sql='SELECT * FROM [FMTest].[dbo].[FM_Radio_Station]'set @sql='SELECT @nu=count(0) from('+@sql+')aa'EXE ...
分类:数据库   时间:2016-07-06 21:37:25    阅读次数:298
HDU 1022 Train Problem I
描述As the new term comes, the Ignatius Train Station is very busy nowadays. A lot of student want to get back to school by train(because the trains in ...
分类:其他好文   时间:2016-07-04 00:55:21    阅读次数:214
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