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zoj 2027 Travelling Fee (最短路变形)
Travelling Fee Time Limit: 2 Seconds      Memory Limit: 65536 KB Samball is going to travel in the coming vacation. Now it's time to make a plan. After choosing the destination city, the next ...
分类:其他好文   时间:2014-09-06 18:41:53    阅读次数:299
uva 1330 City Game (最大子矩阵)
空白最多的最大子矩阵: #include #include #include using namespace std; const int maxn = 1005; int mat[maxn][maxn],up[maxn][maxn],left[maxn][maxn],right[maxn][maxn]; int main() { int t; scanf("%d",&t); ...
分类:其他好文   时间:2014-09-04 17:02:59    阅读次数:209
【有意思的BUG】默认置灰的属性的值传递
数据由Client发送给Server,如下图所示,Server在收到请求后会响应Client。比如Client发送给Server一组数据:Name:sean&Hobby:movies&City:Peking&Country:China有如下表单:可以看到"China"是默认置灰的属性的值,不允许手动...
分类:其他好文   时间:2014-09-03 12:44:26    阅读次数:212
Ural 1613-For Fans of Statistics(vector)
1613. For Fans of Statistics Time limit: 1.0 second Memory limit: 64 MB Have you ever thought about how many people are transported by trams every year in a city with a ten-million populati...
分类:其他好文   时间:2014-09-02 14:10:14    阅读次数:252
PL/SQL个人学习笔记(二)
declare cursor s is select version from city_server t; s_ city_server.version%type;begin open s; fetch s into s_; if s_>2 then DBMS_OUTPUT.put_line(s_); end if; close s;end;...
分类:数据库   时间:2014-09-02 10:35:24    阅读次数:200
REDIS 字典数据结构
对于REDIS来讲 其实就是一个字典结构,key ---->value 就是一个典型的字典结构【当然 对于vaule来讲的话,有不同的内存组织结构 这是后话】试想一个这样的存储场景:key:"city"value:"beijing"如果有若干个这样的键值对,你该怎么去存储它们呢 要保证写入和查询速度...
分类:其他好文   时间:2014-08-30 17:40:49    阅读次数:174
UVA - 11722 Joining with Friend (概率)
You are going from Dhaka to Chittagong by train and you came to know one of your old friends is going from city Chittagong to Sylhet. You also know that both the trains will have a stoppage at junctio...
分类:其他好文   时间:2014-08-29 16:12:48    阅读次数:302
SQL更新数据时多个字段时合在一起的写法
作者:iamlaosong 正常更新一个表中多个字段时,字段是分开写的,例如: update tb_county t set t.prov_name = '安徽', t.city_name = '合肥市', t.xs_mc = '庐阳区' where t.xs_code = '2300'; 可是,更新的值如果来自一个子查询,则这些字段是可以合在一起写的,例如: update tb_...
分类:数据库   时间:2014-08-29 14:42:48    阅读次数:262
让NumberPicker中显示文字
最近需要做一个选项框,其中需要选择多个项目,NumberPicker是个不错的选择,如何让它显示文字呢? 其实很简单,如下即可: np = (NumberPicker) findViewById(R.id.numberPicker1); String[] city = {"北京","上海","广州","深圳","成都","天津"}; np.setDisplayedValues(ci...
分类:其他好文   时间:2014-08-27 14:45:37    阅读次数:360
UESTC-888-Absurdistan Roads(kruskal+floyd)
The people of Absurdistan discovered how to build roads only last year. After the discovery, every city decided to build their own road connecting their city with another city. Each newly built road c...
分类:其他好文   时间:2014-08-27 10:56:38    阅读次数:347
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