Non-Yekaterinburg Subway Time limit: 1.0 secondMemory limit: 64 MB A little town started to construct a subway. The peculiarity of the town is that it is located on small islands, some of them are connected with tunnels or bridges. The mayor is sure…

Topological Sorting Time limit: 1.0 secondMemory limit: 64 MB Michael wants to win the world championship in programming and decided to study N subjects (for convenience we will number these subjects from 1 to N). Michael has worked out a study plan…

1. 设置默认时区   PRODUCT_PROPERTY_OVERRIDES += \         persist.sys.timezone=Asia/Shanghai\ 注:搜索“persist.sys.timezone”,并更改其值 persist.sys.timezone值域 •Marshall Islands              马绍尔群岛                    Pacific/Majuro                   •Midway Island   …

1. 设置默认时区 PRODUCT_PROPERTY_OVERRIDES += \ persist.sys.timezone=Asia/Shanghai\ 注:搜索“persist.sys.timezone”,并更改其值 persist.sys.timezone值域 •Marshall Islands 马绍尔群岛 Pacific/Majuro •Midway Island 中途岛 Pacific/Midway •Hawaii 夏威夷 Pacific/Honolulu •Alaska 阿拉斯加州…

修改device/other/TBDG1073/ system.prop文件 1.设置默认语言 找到device/other/TBDG1073/ system.prop文件,修改属性ro.product.locale.language和ro.product.locale.region 在system.prop文件中加入以下两句话 ro.product.locale.language=zh ro.product.locale.region=CN 2.设置默认时区 找到device/other/TB…

设置默认时区 PRODUCT_PROPERTY_OVERRIDES += \ persist.sys.timezone=Asia/Shanghai\ 注:搜索“persist.sys.timezone”,并更改其值 persist.sys.timezone值域 Marshall Islands  马绍尔群岛   Pacific/Majuro Midway Island  中途岛 Pacific/Midway Hawaii    夏威夷 Pacific/Honolulu Alaska    阿拉斯…

1272. Non-Yekaterinburg Subway Time limit: 1.0 secondMemory limit: 64 MB A little town started to construct a subway. The peculiarity of the town is that it is located on small islands, some of them are connected with tunnels or bridges. The mayor is…

题意:求一幅无向图的最小生成树与最小生成树,不存在输出-1 解法:用Kruskal求最小生成树,标记用过的边.求次小生成树时,依次枚举用过的边,将其去除后再求最小生成树,得出所有情况下的最小的生成树就是次小的生成树.可以证明:最小生成树与次小生成树之间仅有一条边不同.不过这样复杂度有点高,可达O(m^2). 求次小生成树有O(mlogm+n^2)的算法,详见 代码: #include <iostream> #include <cstdio> #include <cstring…

Network Time limit: 1.0 secondMemory limit: 64 MB Andrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the company, they can be connected to each other using cables. Since each w…

Electrification Plan Time limit: 0.5 secondMemory limit: 64 MB Some country has n cities. The government has decided to electrify all these cities. At first, power stations in k different cities were built. The other cities should be connected with t…