POJ3020

Written by  on August 14, 2018

POJ3020 Antenna Placement Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10821 Accepted: 5324 Description The Global Aerial Research Centre has been allotted the task of building the fifth generation of mobile phone nets in Sweden. The most striking reason why they got the job, is their discovery of a new, highly noise resistant, antenna. It is called 4DAir, and comes in four types. Each type can only transmit and receive signals in a direction aligned with a (slightly skewed) latitudinal and longitudinal grid, because of the interacting electromagnetic field of the earth. The four types correspond to antennas operating in the directions north, west, south, and east, respectively. Below is an example picture of places of interest, depicted by twelve small rings, and nine 4DAir antennas depicted by ellipses covering them.

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POJ3041

Written by  on August 14, 2018

POJ3041 Asteroids Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 26141 Accepted: 14134 Description Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The grid contains K asteroids (1 <= K <= 10,000), which are conveniently located at the lattice points of the grid.

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青岛游记

Written by  on August 11, 2018

上周在北京被热懵了(愧为蓝方人!),就想着出去小游一下避避暑,先想着去泰山,结果买不到票,然后又看了看东边的上海,南边的武汉,西边的西安,北边的大连,都热的冒烟,最后干脆就近选了青岛,毕竟海边城市,不会太热。

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苏杭游记

Written by  on August 8, 2018

太太在去过广州深圳之后,便对南方多有思念,对杭州尤其牵肠挂肚,杭州于她心中俨然已成了鸟语花香的同义词,清明假期前两周,她就说想去那边看看,我一想,干脆就在后来两周疯狂加班,把手上的活都给结了,然后请个年假凑了个八天大长假陪着她过去了。

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